Home / 5,705,998.38-7,861,043.76-3,984,391.98

Finding the Fourth Proportional to 5,705,998.38, 7,861,043.76 and 3,984,391.98

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Solution

The fourth proportional to 5,705,998.38, 7,861,043.76 and 3,984,391.98 is: 5,489,219.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705,998.38 : 7,861,043.76 = 3,984,391.98 : x
  2. Step 2: Convert to fraction form
    5,705,998.38/7,861,043.76 = 3,984,391.98/x
  3. Step 3: Cross multiply
    5,705,998.38x = 7,861,043.76 × 3,984,391.98
  4. Step 4: Simplify right side
    5,705,998.38x = 31,321,479,711,773.04
  5. Step 5: Solve for x
    x = 31,321,479,711,773.04/5,705,998.38
  6. Step 6: Final answer
    x = 5,489,219.87

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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.