Home / 3,890,892-5,836,363.92-1,231,500

Finding the Fourth Proportional to 3,890,892, 5,836,363.92 and 1,231,500

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Solution

The fourth proportional to 3,890,892, 5,836,363.92 and 1,231,500 is: 1,847,258.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890,892 : 5,836,363.92 = 1,231,500 : x
  2. Step 2: Convert to fraction form
    3,890,892/5,836,363.92 = 1,231,500/x
  3. Step 3: Cross multiply
    3,890,892x = 5,836,363.92 × 1,231,500
  4. Step 4: Simplify right side
    3,890,892x = 7,187,482,167,480
  5. Step 5: Solve for x
    x = 7,187,482,167,480/3,890,892
  6. Step 6: Final answer
    x = 1,847,258.20

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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.