Home / 1,981,247.46-2,969,797.20-829,154.15

Finding the Fourth Proportional to 1,981,247.46, 2,969,797.20 and 829,154.15

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Solution

The fourth proportional to 1,981,247.46, 2,969,797.20 and 829,154.15 is: 1,242,863.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,247.46 : 2,969,797.20 = 829,154.15 : x
  2. Step 2: Convert to fraction form
    1,981,247.46/2,969,797.20 = 829,154.15/x
  3. Step 3: Cross multiply
    1,981,247.46x = 2,969,797.20 × 829,154.15
  4. Step 4: Simplify right side
    1,981,247.46x = 2,462,419,670,393.08
  5. Step 5: Solve for x
    x = 2,462,419,670,393.08/1,981,247.46
  6. Step 6: Final answer
    x = 1,242,863.26

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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.