Home / 2,198,778.39-3,034,397.61-1,231,875.63

Finding the Fourth Proportional to 2,198,778.39, 3,034,397.61 and 1,231,875.63

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Solution

The fourth proportional to 2,198,778.39, 3,034,397.61 and 1,231,875.63 is: 1,700,035.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,778.39 : 3,034,397.61 = 1,231,875.63 : x
  2. Step 2: Convert to fraction form
    2,198,778.39/3,034,397.61 = 1,231,875.63/x
  3. Step 3: Cross multiply
    2,198,778.39x = 3,034,397.61 × 1,231,875.63
  4. Step 4: Simplify right side
    2,198,778.39x = 3,738,000,467,489.24
  5. Step 5: Solve for x
    x = 3,738,000,467,489.24/2,198,778.39
  6. Step 6: Final answer
    x = 1,700,035.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.