Home / 3,275,318.68-4,912,978.02-1,279,375

Finding the Fourth Proportional to 3,275,318.68, 4,912,978.02 and 1,279,375

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Solution

The fourth proportional to 3,275,318.68, 4,912,978.02 and 1,279,375 is: 1,919,062.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275,318.68 : 4,912,978.02 = 1,279,375 : x
  2. Step 2: Convert to fraction form
    3,275,318.68/4,912,978.02 = 1,279,375/x
  3. Step 3: Cross multiply
    3,275,318.68x = 4,912,978.02 × 1,279,375
  4. Step 4: Simplify right side
    3,275,318.68x = 6,285,541,254,337.50
  5. Step 5: Solve for x
    x = 6,285,541,254,337.50/3,275,318.68
  6. Step 6: Final answer
    x = 1,919,062.50

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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.