Home / 2,665,537.92-3,998,306.88-772,280.64

Finding the Fourth Proportional to 2,665,537.92, 3,998,306.88 and 772,280.64

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Solution

The fourth proportional to 2,665,537.92, 3,998,306.88 and 772,280.64 is: 1,158,420.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665,537.92 : 3,998,306.88 = 772,280.64 : x
  2. Step 2: Convert to fraction form
    2,665,537.92/3,998,306.88 = 772,280.64/x
  3. Step 3: Cross multiply
    2,665,537.92x = 3,998,306.88 × 772,280.64
  4. Step 4: Simplify right side
    2,665,537.92x = 3,087,814,996,202.80
  5. Step 5: Solve for x
    x = 3,087,814,996,202.80/2,665,537.92
  6. Step 6: Final answer
    x = 1,158,420.96

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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.