Home / 3,149,132.20-4,720,472.70-1,549,234.60

Finding the Fourth Proportional to 3,149,132.20, 4,720,472.70 and 1,549,234.60

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Solution

The fourth proportional to 3,149,132.20, 4,720,472.70 and 1,549,234.60 is: 2,322,265.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149,132.20 : 4,720,472.70 = 1,549,234.60 : x
  2. Step 2: Convert to fraction form
    3,149,132.20/4,720,472.70 = 1,549,234.60/x
  3. Step 3: Cross multiply
    3,149,132.20x = 4,720,472.70 × 1,549,234.60
  4. Step 4: Simplify right side
    3,149,132.20x = 7,313,119,635,195.42
  5. Step 5: Solve for x
    x = 7,313,119,635,195.42/3,149,132.20
  6. Step 6: Final answer
    x = 2,322,265.05

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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.