Home / 2,873,311.76-4,309,989.24-1,275,445.28

Finding the Fourth Proportional to 2,873,311.76, 4,309,989.24 and 1,275,445.28

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Solution

The fourth proportional to 2,873,311.76, 4,309,989.24 and 1,275,445.28 is: 1,913,177.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,873,311.76 : 4,309,989.24 = 1,275,445.28 : x
  2. Step 2: Convert to fraction form
    2,873,311.76/4,309,989.24 = 1,275,445.28/x
  3. Step 3: Cross multiply
    2,873,311.76x = 4,309,989.24 × 1,275,445.28
  4. Step 4: Simplify right side
    2,873,311.76x = 5,497,155,433,008.79
  5. Step 5: Solve for x
    x = 5,497,155,433,008.79/2,873,311.76
  6. Step 6: Final answer
    x = 1,913,177.51

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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.