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Finding the Fourth Proportional to 3,930,490.92, 5,895,397.50 and 2,393,087.88

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Solution

The fourth proportional to 3,930,490.92, 5,895,397.50 and 2,393,087.88 is: 3,589,425.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930,490.92 : 5,895,397.50 = 2,393,087.88 : x
  2. Step 2: Convert to fraction form
    3,930,490.92/5,895,397.50 = 2,393,087.88/x
  3. Step 3: Cross multiply
    3,930,490.92x = 5,895,397.50 × 2,393,087.88
  4. Step 4: Simplify right side
    3,930,490.92x = 14,108,204,305,032.30
  5. Step 5: Solve for x
    x = 14,108,204,305,032.30/3,930,490.92
  6. Step 6: Final answer
    x = 3,589,425.49

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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.