Home / 2,246,640.30-3,100,000.95-1,279,789.20

Finding the Fourth Proportional to 2,246,640.30, 3,100,000.95 and 1,279,789.20

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Solution

The fourth proportional to 2,246,640.30, 3,100,000.95 and 1,279,789.20 is: 1,765,902.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,246,640.30 : 3,100,000.95 = 1,279,789.20 : x
  2. Step 2: Convert to fraction form
    2,246,640.30/3,100,000.95 = 1,279,789.20/x
  3. Step 3: Cross multiply
    2,246,640.30x = 3,100,000.95 × 1,279,789.20
  4. Step 4: Simplify right side
    2,246,640.30x = 3,967,347,735,799.74
  5. Step 5: Solve for x
    x = 3,967,347,735,799.74/2,246,640.30
  6. Step 6: Final answer
    x = 1,765,902.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.