Home / 2,918,213.20-4,375,246.20-1,321,541.20

Finding the Fourth Proportional to 2,918,213.20, 4,375,246.20 and 1,321,541.20

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Solution

The fourth proportional to 2,918,213.20, 4,375,246.20 and 1,321,541.20 is: 1,981,372.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,213.20 : 4,375,246.20 = 1,321,541.20 : x
  2. Step 2: Convert to fraction form
    2,918,213.20/4,375,246.20 = 1,321,541.20/x
  3. Step 3: Cross multiply
    2,918,213.20x = 4,375,246.20 × 1,321,541.20
  4. Step 4: Simplify right side
    2,918,213.20x = 5,782,068,113,443.44
  5. Step 5: Solve for x
    x = 5,782,068,113,443.44/2,918,213.20
  6. Step 6: Final answer
    x = 1,981,372.75

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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.