Home / 3,585,687.78-4,948,249.20-1,976,055.78

Finding the Fourth Proportional to 3,585,687.78, 4,948,249.20 and 1,976,055.78

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Solution

The fourth proportional to 3,585,687.78, 4,948,249.20 and 1,976,055.78 is: 2,726,957.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585,687.78 : 4,948,249.20 = 1,976,055.78 : x
  2. Step 2: Convert to fraction form
    3,585,687.78/4,948,249.20 = 1,976,055.78/x
  3. Step 3: Cross multiply
    3,585,687.78x = 4,948,249.20 × 1,976,055.78
  4. Step 4: Simplify right side
    3,585,687.78x = 9,778,016,432,540.38
  5. Step 5: Solve for x
    x = 9,778,016,432,540.38/3,585,687.78
  6. Step 6: Final answer
    x = 2,726,957.01

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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.