Home / 3,419,347.28-5,129,027.28-1,397,589.71

Finding the Fourth Proportional to 3,419,347.28, 5,129,027.28 and 1,397,589.71

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Solution

The fourth proportional to 3,419,347.28, 5,129,027.28 and 1,397,589.71 is: 2,096,387.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419,347.28 : 5,129,027.28 = 1,397,589.71 : x
  2. Step 2: Convert to fraction form
    3,419,347.28/5,129,027.28 = 1,397,589.71/x
  3. Step 3: Cross multiply
    3,419,347.28x = 5,129,027.28 × 1,397,589.71
  4. Step 4: Simplify right side
    3,419,347.28x = 7,168,275,723,192.15
  5. Step 5: Solve for x
    x = 7,168,275,723,192.15/3,419,347.28
  6. Step 6: Final answer
    x = 2,096,387.16

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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.