Home / 3,547,712.80-5,321,569.20-888,320.80

Finding the Fourth Proportional to 3,547,712.80, 5,321,569.20 and 888,320.80

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Solution

The fourth proportional to 3,547,712.80, 5,321,569.20 and 888,320.80 is: 1,332,481.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547,712.80 : 5,321,569.20 = 888,320.80 : x
  2. Step 2: Convert to fraction form
    3,547,712.80/5,321,569.20 = 888,320.80/x
  3. Step 3: Cross multiply
    3,547,712.80x = 5,321,569.20 × 888,320.80
  4. Step 4: Simplify right side
    3,547,712.80x = 4,727,260,608,999.36
  5. Step 5: Solve for x
    x = 4,727,260,608,999.36/3,547,712.80
  6. Step 6: Final answer
    x = 1,332,481.20

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Similar ratio
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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.