Home / 3,418,646.85-5,126,077.13-1,398,309.46

Finding the Fourth Proportional to 3,418,646.85, 5,126,077.13 and 1,398,309.46

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Solution

The fourth proportional to 3,418,646.85, 5,126,077.13 and 1,398,309.46 is: 2,096,689.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418,646.85 : 5,126,077.13 = 1,398,309.46 : x
  2. Step 2: Convert to fraction form
    3,418,646.85/5,126,077.13 = 1,398,309.46/x
  3. Step 3: Cross multiply
    3,418,646.85x = 5,126,077.13 × 1,398,309.46
  4. Step 4: Simplify right side
    3,418,646.85x = 7,167,842,123,761.91
  5. Step 5: Solve for x
    x = 7,167,842,123,761.91/3,418,646.85
  6. Step 6: Final answer
    x = 2,096,689.84

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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.