Home / 2,642,649.60-3,963,121.40-748,882.56

Finding the Fourth Proportional to 2,642,649.60, 3,963,121.40 and 748,882.56

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Solution

The fourth proportional to 2,642,649.60, 3,963,121.40 and 748,882.56 is: 1,123,082.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642,649.60 : 3,963,121.40 = 748,882.56 : x
  2. Step 2: Convert to fraction form
    2,642,649.60/3,963,121.40 = 748,882.56/x
  3. Step 3: Cross multiply
    2,642,649.60x = 3,963,121.40 × 748,882.56
  4. Step 4: Simplify right side
    2,642,649.60x = 2,967,912,499,622.78
  5. Step 5: Solve for x
    x = 2,967,912,499,622.78/2,642,649.60
  6. Step 6: Final answer
    x = 1,123,082.11

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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.