Home / 5,323,198.80-7,981,882.20-2,621,583.12

Finding the Fourth Proportional to 5,323,198.80, 7,981,882.20 and 2,621,583.12

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Solution

The fourth proportional to 5,323,198.80, 7,981,882.20 and 2,621,583.12 is: 3,930,938.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,323,198.80 : 7,981,882.20 = 2,621,583.12 : x
  2. Step 2: Convert to fraction form
    5,323,198.80/7,981,882.20 = 2,621,583.12/x
  3. Step 3: Cross multiply
    5,323,198.80x = 7,981,882.20 × 2,621,583.12
  4. Step 4: Simplify right side
    5,323,198.80x = 20,925,167,641,348.46
  5. Step 5: Solve for x
    x = 20,925,167,641,348.46/5,323,198.80
  6. Step 6: Final answer
    x = 3,930,938.60

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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.