Home / 2,319,206.49-3,479,137.92-721,931.04

Finding the Fourth Proportional to 2,319,206.49, 3,479,137.92 and 721,931.04

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Solution

The fourth proportional to 2,319,206.49, 3,479,137.92 and 721,931.04 is: 1,082,998.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319,206.49 : 3,479,137.92 = 721,931.04 : x
  2. Step 2: Convert to fraction form
    2,319,206.49/3,479,137.92 = 721,931.04/x
  3. Step 3: Cross multiply
    2,319,206.49x = 3,479,137.92 × 721,931.04
  4. Step 4: Simplify right side
    2,319,206.49x = 2,511,697,656,889.04
  5. Step 5: Solve for x
    x = 2,511,697,656,889.04/2,319,206.49
  6. Step 6: Final answer
    x = 1,082,998.72

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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.