Home / 3,516,308.20-5,275,326.30-991,930.60

Finding the Fourth Proportional to 3,516,308.20, 5,275,326.30 and 991,930.60

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Solution

The fourth proportional to 3,516,308.20, 5,275,326.30 and 991,930.60 is: 1,488,139.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516,308.20 : 5,275,326.30 = 991,930.60 : x
  2. Step 2: Convert to fraction form
    3,516,308.20/5,275,326.30 = 991,930.60/x
  3. Step 3: Cross multiply
    3,516,308.20x = 5,275,326.30 × 991,930.60
  4. Step 4: Simplify right side
    3,516,308.20x = 5,232,757,581,954.78
  5. Step 5: Solve for x
    x = 5,232,757,581,954.78/3,516,308.20
  6. Step 6: Final answer
    x = 1,488,139.63

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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.