Home / 2,319,207.49-3,479,139.42-721,932.04

Finding the Fourth Proportional to 2,319,207.49, 3,479,139.42 and 721,932.04

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Solution

The fourth proportional to 2,319,207.49, 3,479,139.42 and 721,932.04 is: 1,083,000.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319,207.49 : 3,479,139.42 = 721,932.04 : x
  2. Step 2: Convert to fraction form
    2,319,207.49/3,479,139.42 = 721,932.04/x
  3. Step 3: Cross multiply
    2,319,207.49x = 3,479,139.42 × 721,932.04
  4. Step 4: Simplify right side
    2,319,207.49x = 2,511,702,218,925.02
  5. Step 5: Solve for x
    x = 2,511,702,218,925.02/2,319,207.49
  6. Step 6: Final answer
    x = 1,083,000.22

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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.