Home / 2,138,380.34-3,208,049.28-718,397.68

Finding the Fourth Proportional to 2,138,380.34, 3,208,049.28 and 718,397.68

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Solution

The fourth proportional to 2,138,380.34, 3,208,049.28 and 718,397.68 is: 1,077,757.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,380.34 : 3,208,049.28 = 718,397.68 : x
  2. Step 2: Convert to fraction form
    2,138,380.34/3,208,049.28 = 718,397.68/x
  3. Step 3: Cross multiply
    2,138,380.34x = 3,208,049.28 × 718,397.68
  4. Step 4: Simplify right side
    2,138,380.34x = 2,304,655,160,077.67
  5. Step 5: Solve for x
    x = 2,304,655,160,077.67/2,138,380.34
  6. Step 6: Final answer
    x = 1,077,757.36

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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.