Home / 6,172,134.90-8,517,738.40-3,419,078.50

Finding the Fourth Proportional to 6,172,134.90, 8,517,738.40 and 3,419,078.50

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Solution

The fourth proportional to 6,172,134.90, 8,517,738.40 and 3,419,078.50 is: 4,718,434.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172,134.90 : 8,517,738.40 = 3,419,078.50 : x
  2. Step 2: Convert to fraction form
    6,172,134.90/8,517,738.40 = 3,419,078.50/x
  3. Step 3: Cross multiply
    6,172,134.90x = 8,517,738.40 × 3,419,078.50
  4. Step 4: Simplify right side
    6,172,134.90x = 29,122,816,258,120.02
  5. Step 5: Solve for x
    x = 29,122,816,258,120.02/6,172,134.90
  6. Step 6: Final answer
    x = 4,718,434.82

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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.