Home / 5,177,645.68-7,145,158.90-2,885,757.16

Finding the Fourth Proportional to 5,177,645.68, 7,145,158.90 and 2,885,757.16

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Solution

The fourth proportional to 5,177,645.68, 7,145,158.90 and 2,885,757.16 is: 3,982,349.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177,645.68 : 7,145,158.90 = 2,885,757.16 : x
  2. Step 2: Convert to fraction form
    5,177,645.68/7,145,158.90 = 2,885,757.16/x
  3. Step 3: Cross multiply
    5,177,645.68x = 7,145,158.90 × 2,885,757.16
  4. Step 4: Simplify right side
    5,177,645.68x = 20,619,193,419,286.93
  5. Step 5: Solve for x
    x = 20,619,193,419,286.93/5,177,645.68
  6. Step 6: Final answer
    x = 3,982,349.26

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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.