Home / 2,238,354.20-3,357,758.10-721,645.40

Finding the Fourth Proportional to 2,238,354.20, 3,357,758.10 and 721,645.40

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Solution

The fourth proportional to 2,238,354.20, 3,357,758.10 and 721,645.40 is: 1,082,541.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238,354.20 : 3,357,758.10 = 721,645.40 : x
  2. Step 2: Convert to fraction form
    2,238,354.20/3,357,758.10 = 721,645.40/x
  3. Step 3: Cross multiply
    2,238,354.20x = 3,357,758.10 × 721,645.40
  4. Step 4: Simplify right side
    2,238,354.20x = 2,423,110,687,177.74
  5. Step 5: Solve for x
    x = 2,423,110,687,177.74/2,238,354.20
  6. Step 6: Final answer
    x = 1,082,541.22

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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.