Home / 2,138,380.37-3,208,049.33-718,397.72

Finding the Fourth Proportional to 2,138,380.37, 3,208,049.33 and 718,397.72

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Solution

The fourth proportional to 2,138,380.37, 3,208,049.33 and 718,397.72 is: 1,077,757.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,380.37 : 3,208,049.33 = 718,397.72 : x
  2. Step 2: Convert to fraction form
    2,138,380.37/3,208,049.33 = 718,397.72/x
  3. Step 3: Cross multiply
    2,138,380.37x = 3,208,049.33 × 718,397.72
  4. Step 4: Simplify right side
    2,138,380.37x = 2,304,655,324,319.53
  5. Step 5: Solve for x
    x = 2,304,655,324,319.53/2,138,380.37
  6. Step 6: Final answer
    x = 1,077,757.43

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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.