Home / 2,272,128.32-3,135,553.80-1,253,569.52

Finding the Fourth Proportional to 2,272,128.32, 3,135,553.80 and 1,253,569.52

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Solution

The fourth proportional to 2,272,128.32, 3,135,553.80 and 1,253,569.52 is: 1,729,935.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272,128.32 : 3,135,553.80 = 1,253,569.52 : x
  2. Step 2: Convert to fraction form
    2,272,128.32/3,135,553.80 = 1,253,569.52/x
  3. Step 3: Cross multiply
    2,272,128.32x = 3,135,553.80 × 1,253,569.52
  4. Step 4: Simplify right side
    2,272,128.32x = 3,930,634,672,000.18
  5. Step 5: Solve for x
    x = 3,930,634,672,000.18/2,272,128.32
  6. Step 6: Final answer
    x = 1,729,935.16

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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.