Home / 6,120,679.40-9,181,019.10-5,772,314.60

Finding the Fourth Proportional to 6,120,679.40, 9,181,019.10 and 5,772,314.60

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Solution

The fourth proportional to 6,120,679.40, 9,181,019.10 and 5,772,314.60 is: 8,658,471.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120,679.40 : 9,181,019.10 = 5,772,314.60 : x
  2. Step 2: Convert to fraction form
    6,120,679.40/9,181,019.10 = 5,772,314.60/x
  3. Step 3: Cross multiply
    6,120,679.40x = 9,181,019.10 × 5,772,314.60
  4. Step 4: Simplify right side
    6,120,679.40x = 52,995,730,593,808.85
  5. Step 5: Solve for x
    x = 52,995,730,593,808.85/6,120,679.40
  6. Step 6: Final answer
    x = 8,658,471.90

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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.