Home / 2,517,721.38-3,474,408.41-1,400,178.66

Finding the Fourth Proportional to 2,517,721.38, 3,474,408.41 and 1,400,178.66

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Solution

The fourth proportional to 2,517,721.38, 3,474,408.41 and 1,400,178.66 is: 1,932,220.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517,721.38 : 3,474,408.41 = 1,400,178.66 : x
  2. Step 2: Convert to fraction form
    2,517,721.38/3,474,408.41 = 1,400,178.66/x
  3. Step 3: Cross multiply
    2,517,721.38x = 3,474,408.41 × 1,400,178.66
  4. Step 4: Simplify right side
    2,517,721.38x = 4,864,792,511,806.53
  5. Step 5: Solve for x
    x = 4,864,792,511,806.53/2,517,721.38
  6. Step 6: Final answer
    x = 1,932,220.36

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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.