Home / 5,448,121.28-7,517,266.80-3,156,145.28

Finding the Fourth Proportional to 5,448,121.28, 7,517,266.80 and 3,156,145.28

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Solution

The fourth proportional to 5,448,121.28, 7,517,266.80 and 3,156,145.28 is: 4,354,819.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448,121.28 : 7,517,266.80 = 3,156,145.28 : x
  2. Step 2: Convert to fraction form
    5,448,121.28/7,517,266.80 = 3,156,145.28/x
  3. Step 3: Cross multiply
    5,448,121.28x = 7,517,266.80 × 3,156,145.28
  4. Step 4: Simplify right side
    5,448,121.28x = 23,725,586,129,320.70
  5. Step 5: Solve for x
    x = 23,725,586,129,320.70/5,448,121.28
  6. Step 6: Final answer
    x = 4,354,819.75

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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.