Home / 2,981,757.60-4,472,675.28-851,911.20

Finding the Fourth Proportional to 2,981,757.60, 4,472,675.28 and 851,911.20

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Solution

The fourth proportional to 2,981,757.60, 4,472,675.28 and 851,911.20 is: 1,277,877.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981,757.60 : 4,472,675.28 = 851,911.20 : x
  2. Step 2: Convert to fraction form
    2,981,757.60/4,472,675.28 = 851,911.20/x
  3. Step 3: Cross multiply
    2,981,757.60x = 4,472,675.28 × 851,911.20
  4. Step 4: Simplify right side
    2,981,757.60x = 3,810,322,164,995.14
  5. Step 5: Solve for x
    x = 3,810,322,164,995.14/2,981,757.60
  6. Step 6: Final answer
    x = 1,277,877.91

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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.