Home / 2,238,113.78-3,357,648.03-721,881.86

Finding the Fourth Proportional to 2,238,113.78, 3,357,648.03 and 721,881.86

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Solution

The fourth proportional to 2,238,113.78, 3,357,648.03 and 721,881.86 is: 1,082,976.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238,113.78 : 3,357,648.03 = 721,881.86 : x
  2. Step 2: Convert to fraction form
    2,238,113.78/3,357,648.03 = 721,881.86/x
  3. Step 3: Cross multiply
    2,238,113.78x = 3,357,648.03 × 721,881.86
  4. Step 4: Simplify right side
    2,238,113.78x = 2,423,825,205,121.74
  5. Step 5: Solve for x
    x = 2,423,825,205,121.74/2,238,113.78
  6. Step 6: Final answer
    x = 1,082,976.76

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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.