Home / 3,511,693.52-5,267,540.28-987,348.78

Finding the Fourth Proportional to 3,511,693.52, 5,267,540.28 and 987,348.78

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Solution

The fourth proportional to 3,511,693.52, 5,267,540.28 and 987,348.78 is: 1,481,023.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511,693.52 : 5,267,540.28 = 987,348.78 : x
  2. Step 2: Convert to fraction form
    3,511,693.52/5,267,540.28 = 987,348.78/x
  3. Step 3: Cross multiply
    3,511,693.52x = 5,267,540.28 × 987,348.78
  4. Step 4: Simplify right side
    3,511,693.52x = 5,200,899,469,058.86
  5. Step 5: Solve for x
    x = 5,200,899,469,058.86/3,511,693.52
  6. Step 6: Final answer
    x = 1,481,023.17

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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.