Home / 3,511,255.20-5,266,882.79-851,863.20

Finding the Fourth Proportional to 3,511,255.20, 5,266,882.79 and 851,863.20

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Solution

The fourth proportional to 3,511,255.20, 5,266,882.79 and 851,863.20 is: 1,277,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511,255.20 : 5,266,882.79 = 851,863.20 : x
  2. Step 2: Convert to fraction form
    3,511,255.20/5,266,882.79 = 851,863.20/x
  3. Step 3: Cross multiply
    3,511,255.20x = 5,266,882.79 × 851,863.20
  4. Step 4: Simplify right side
    3,511,255.20x = 4,486,663,627,514.33
  5. Step 5: Solve for x
    x = 4,486,663,627,514.33/3,511,255.20
  6. Step 6: Final answer
    x = 1,277,794.80

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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.