Home / 3,420,942.39-5,132,901.83-2,144,475.27

Finding the Fourth Proportional to 3,420,942.39, 5,132,901.83 and 2,144,475.27

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Solution

The fourth proportional to 3,420,942.39, 5,132,901.83 and 2,144,475.27 is: 3,217,645.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,942.39 : 5,132,901.83 = 2,144,475.27 : x
  2. Step 2: Convert to fraction form
    3,420,942.39/5,132,901.83 = 2,144,475.27/x
  3. Step 3: Cross multiply
    3,420,942.39x = 5,132,901.83 × 2,144,475.27
  4. Step 4: Simplify right side
    3,420,942.39x = 11,007,381,027,050.37
  5. Step 5: Solve for x
    x = 11,007,381,027,050.37/3,420,942.39
  6. Step 6: Final answer
    x = 3,217,645.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.