Home / 6,112,821.60-9,169,232.40-3,960,485.55

Finding the Fourth Proportional to 6,112,821.60, 9,169,232.40 and 3,960,485.55

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Solution

The fourth proportional to 6,112,821.60, 9,169,232.40 and 3,960,485.55 is: 5,940,728.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112,821.60 : 9,169,232.40 = 3,960,485.55 : x
  2. Step 2: Convert to fraction form
    6,112,821.60/9,169,232.40 = 3,960,485.55/x
  3. Step 3: Cross multiply
    6,112,821.60x = 9,169,232.40 × 3,960,485.55
  4. Step 4: Simplify right side
    6,112,821.60x = 36,314,612,424,791.82
  5. Step 5: Solve for x
    x = 36,314,612,424,791.82/6,112,821.60
  6. Step 6: Final answer
    x = 5,940,728.33

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.