Home / 3,469,839.09-4,787,808.57-2,179,766.09

Finding the Fourth Proportional to 3,469,839.09, 4,787,808.57 and 2,179,766.09

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Solution

The fourth proportional to 3,469,839.09, 4,787,808.57 and 2,179,766.09 is: 3,007,719.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469,839.09 : 4,787,808.57 = 2,179,766.09 : x
  2. Step 2: Convert to fraction form
    3,469,839.09/4,787,808.57 = 2,179,766.09/x
  3. Step 3: Cross multiply
    3,469,839.09x = 4,787,808.57 × 2,179,766.09
  4. Step 4: Simplify right side
    3,469,839.09x = 10,436,302,742,358.35
  5. Step 5: Solve for x
    x = 10,436,302,742,358.35/3,469,839.09
  6. Step 6: Final answer
    x = 3,007,719.51

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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.