Home / 3,469,896.12-4,787,885.34-2,179,822.89

Finding the Fourth Proportional to 3,469,896.12, 4,787,885.34 and 2,179,822.89

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Solution

The fourth proportional to 3,469,896.12, 4,787,885.34 and 2,179,822.89 is: 3,007,796.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469,896.12 : 4,787,885.34 = 2,179,822.89 : x
  2. Step 2: Convert to fraction form
    3,469,896.12/4,787,885.34 = 2,179,822.89/x
  3. Step 3: Cross multiply
    3,469,896.12x = 4,787,885.34 × 2,179,822.89
  4. Step 4: Simplify right side
    3,469,896.12x = 10,436,742,058,827.43
  5. Step 5: Solve for x
    x = 10,436,742,058,827.43/3,469,896.12
  6. Step 6: Final answer
    x = 3,007,796.69

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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.