Home / 5,168,477.28-7,752,105.36-1,382,253.60

Finding the Fourth Proportional to 5,168,477.28, 7,752,105.36 and 1,382,253.60

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Solution

The fourth proportional to 5,168,477.28, 7,752,105.36 and 1,382,253.60 is: 2,073,217.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168,477.28 : 7,752,105.36 = 1,382,253.60 : x
  2. Step 2: Convert to fraction form
    5,168,477.28/7,752,105.36 = 1,382,253.60/x
  3. Step 3: Cross multiply
    5,168,477.28x = 7,752,105.36 × 1,382,253.60
  4. Step 4: Simplify right side
    5,168,477.28x = 10,715,375,541,439.30
  5. Step 5: Solve for x
    x = 10,715,375,541,439.30/5,168,477.28
  6. Step 6: Final answer
    x = 2,073,217.11

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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.