Home / 3,172,370.16-4,377,753.89-1,722,033.78

Finding the Fourth Proportional to 3,172,370.16, 4,377,753.89 and 1,722,033.78

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Solution

The fourth proportional to 3,172,370.16, 4,377,753.89 and 1,722,033.78 is: 2,376,343.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,370.16 : 4,377,753.89 = 1,722,033.78 : x
  2. Step 2: Convert to fraction form
    3,172,370.16/4,377,753.89 = 1,722,033.78/x
  3. Step 3: Cross multiply
    3,172,370.16x = 4,377,753.89 × 1,722,033.78
  4. Step 4: Simplify right side
    3,172,370.16x = 7,538,640,070,223.73
  5. Step 5: Solve for x
    x = 7,538,640,070,223.73/3,172,370.16
  6. Step 6: Final answer
    x = 2,376,343.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.