Home / 3,469,841.46-4,787,809.83-2,179,768.14

Finding the Fourth Proportional to 3,469,841.46, 4,787,809.83 and 2,179,768.14

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Solution

The fourth proportional to 3,469,841.46, 4,787,809.83 and 2,179,768.14 is: 3,007,721.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469,841.46 : 4,787,809.83 = 2,179,768.14 : x
  2. Step 2: Convert to fraction form
    3,469,841.46/4,787,809.83 = 2,179,768.14/x
  3. Step 3: Cross multiply
    3,469,841.46x = 4,787,809.83 × 2,179,768.14
  4. Step 4: Simplify right side
    3,469,841.46x = 10,436,315,327,812.82
  5. Step 5: Solve for x
    x = 10,436,315,327,812.82/3,469,841.46
  6. Step 6: Final answer
    x = 3,007,721.09

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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.