Home / 3,721,828-5,133,673.20-2,687,613.52

Finding the Fourth Proportional to 3,721,828, 5,133,673.20 and 2,687,613.52

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Solution

The fourth proportional to 3,721,828, 5,133,673.20 and 2,687,613.52 is: 3,707,137.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721,828 : 5,133,673.20 = 2,687,613.52 : x
  2. Step 2: Convert to fraction form
    3,721,828/5,133,673.20 = 2,687,613.52/x
  3. Step 3: Cross multiply
    3,721,828x = 5,133,673.20 × 2,687,613.52
  4. Step 4: Simplify right side
    3,721,828x = 13,797,329,499,581.66
  5. Step 5: Solve for x
    x = 13,797,329,499,581.66/3,721,828
  6. Step 6: Final answer
    x = 3,707,137.86

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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.