Home / 2,217,540.78-3,060,203.68-1,198,943.10

Finding the Fourth Proportional to 2,217,540.78, 3,060,203.68 and 1,198,943.10

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Solution

The fourth proportional to 2,217,540.78, 3,060,203.68 and 1,198,943.10 is: 1,654,540.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217,540.78 : 3,060,203.68 = 1,198,943.10 : x
  2. Step 2: Convert to fraction form
    2,217,540.78/3,060,203.68 = 1,198,943.10/x
  3. Step 3: Cross multiply
    2,217,540.78x = 3,060,203.68 × 1,198,943.10
  4. Step 4: Simplify right side
    2,217,540.78x = 3,669,010,086,730.61
  5. Step 5: Solve for x
    x = 3,669,010,086,730.61/2,217,540.78
  6. Step 6: Final answer
    x = 1,654,540.07

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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.