Home / 2,614,587.46-3,922,107.14-721,328.90

Finding the Fourth Proportional to 2,614,587.46, 3,922,107.14 and 721,328.90

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Solution

The fourth proportional to 2,614,587.46, 3,922,107.14 and 721,328.90 is: 1,082,055.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,614,587.46 : 3,922,107.14 = 721,328.90 : x
  2. Step 2: Convert to fraction form
    2,614,587.46/3,922,107.14 = 721,328.90/x
  3. Step 3: Cross multiply
    2,614,587.46x = 3,922,107.14 × 721,328.90
  4. Step 4: Simplify right side
    2,614,587.46x = 2,829,129,211,171.13
  5. Step 5: Solve for x
    x = 2,829,129,211,171.13/2,614,587.46
  6. Step 6: Final answer
    x = 1,082,055.68

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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.