Home / 6,121,010.10-9,181,515.15-3,685,566.90

Finding the Fourth Proportional to 6,121,010.10, 9,181,515.15 and 3,685,566.90

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Solution

The fourth proportional to 6,121,010.10, 9,181,515.15 and 3,685,566.90 is: 5,528,350.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121,010.10 : 9,181,515.15 = 3,685,566.90 : x
  2. Step 2: Convert to fraction form
    6,121,010.10/9,181,515.15 = 3,685,566.90/x
  3. Step 3: Cross multiply
    6,121,010.10x = 9,181,515.15 × 3,685,566.90
  4. Step 4: Simplify right side
    6,121,010.10x = 33,839,088,328,688.54
  5. Step 5: Solve for x
    x = 33,839,088,328,688.54/6,121,010.10
  6. Step 6: Final answer
    x = 5,528,350.35

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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.