Home / 3,155,610.20-4,734,202.56-911,748.20

Finding the Fourth Proportional to 3,155,610.20, 4,734,202.56 and 911,748.20

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Solution

The fourth proportional to 3,155,610.20, 4,734,202.56 and 911,748.20 is: 1,367,849.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155,610.20 : 4,734,202.56 = 911,748.20 : x
  2. Step 2: Convert to fraction form
    3,155,610.20/4,734,202.56 = 911,748.20/x
  3. Step 3: Cross multiply
    3,155,610.20x = 4,734,202.56 × 911,748.20
  4. Step 4: Simplify right side
    3,155,610.20x = 4,316,400,662,515.39
  5. Step 5: Solve for x
    x = 4,316,400,662,515.39/3,155,610.20
  6. Step 6: Final answer
    x = 1,367,849.76

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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.