Home / 4,752,925.60-7,129,388.40-1,387,472.80

Finding the Fourth Proportional to 4,752,925.60, 7,129,388.40 and 1,387,472.80

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Solution

The fourth proportional to 4,752,925.60, 7,129,388.40 and 1,387,472.80 is: 2,081,209.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752,925.60 : 7,129,388.40 = 1,387,472.80 : x
  2. Step 2: Convert to fraction form
    4,752,925.60/7,129,388.40 = 1,387,472.80/x
  3. Step 3: Cross multiply
    4,752,925.60x = 7,129,388.40 × 1,387,472.80
  4. Step 4: Simplify right side
    4,752,925.60x = 9,891,832,485,635.52
  5. Step 5: Solve for x
    x = 9,891,832,485,635.52/4,752,925.60
  6. Step 6: Final answer
    x = 2,081,209.20

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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.