Home / 3,469,837.52-4,787,804.40-2,179,764.20

Finding the Fourth Proportional to 3,469,837.52, 4,787,804.40 and 2,179,764.20

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Solution

The fourth proportional to 3,469,837.52, 4,787,804.40 and 2,179,764.20 is: 3,007,715.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469,837.52 : 4,787,804.40 = 2,179,764.20 : x
  2. Step 2: Convert to fraction form
    3,469,837.52/4,787,804.40 = 2,179,764.20/x
  3. Step 3: Cross multiply
    3,469,837.52x = 4,787,804.40 × 2,179,764.20
  4. Step 4: Simplify right side
    3,469,837.52x = 10,436,284,631,517.88
  5. Step 5: Solve for x
    x = 10,436,284,631,517.88/3,469,837.52
  6. Step 6: Final answer
    x = 3,007,715.65

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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.