Home / 3,469,839.96-4,787,807.76-2,179,766.64

Finding the Fourth Proportional to 3,469,839.96, 4,787,807.76 and 2,179,766.64

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Solution

The fourth proportional to 3,469,839.96, 4,787,807.76 and 2,179,766.64 is: 3,007,719.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469,839.96 : 4,787,807.76 = 2,179,766.64 : x
  2. Step 2: Convert to fraction form
    3,469,839.96/4,787,807.76 = 2,179,766.64/x
  3. Step 3: Cross multiply
    3,469,839.96x = 4,787,807.76 × 2,179,766.64
  4. Step 4: Simplify right side
    3,469,839.96x = 10,436,303,633,981.13
  5. Step 5: Solve for x
    x = 10,436,303,633,981.13/3,469,839.96
  6. Step 6: Final answer
    x = 3,007,719.02

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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.