Home / 3,940,761.18-5,911,391.49-1,665,861.60

Finding the Fourth Proportional to 3,940,761.18, 5,911,391.49 and 1,665,861.60

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Solution

The fourth proportional to 3,940,761.18, 5,911,391.49 and 1,665,861.60 is: 2,498,897.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940,761.18 : 5,911,391.49 = 1,665,861.60 : x
  2. Step 2: Convert to fraction form
    3,940,761.18/5,911,391.49 = 1,665,861.60/x
  3. Step 3: Cross multiply
    3,940,761.18x = 5,911,391.49 × 1,665,861.60
  4. Step 4: Simplify right side
    3,940,761.18x = 9,847,560,085,757.79
  5. Step 5: Solve for x
    x = 9,847,560,085,757.79/3,940,761.18
  6. Step 6: Final answer
    x = 2,498,897.96

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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.