Home / 2,148,510.60-3,222,760.14-800,642.52

Finding the Fourth Proportional to 2,148,510.60, 3,222,760.14 and 800,642.52

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Solution

The fourth proportional to 2,148,510.60, 3,222,760.14 and 800,642.52 is: 1,200,961.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,510.60 : 3,222,760.14 = 800,642.52 : x
  2. Step 2: Convert to fraction form
    2,148,510.60/3,222,760.14 = 800,642.52/x
  3. Step 3: Cross multiply
    2,148,510.60x = 3,222,760.14 × 800,642.52
  4. Step 4: Simplify right side
    2,148,510.60x = 2,580,278,799,845.15
  5. Step 5: Solve for x
    x = 2,580,278,799,845.15/2,148,510.60
  6. Step 6: Final answer
    x = 1,200,961.63

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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.