Home / 3,420,732.30-5,131,098.45-1,822,472.70

Finding the Fourth Proportional to 3,420,732.30, 5,131,098.45 and 1,822,472.70

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Solution

The fourth proportional to 3,420,732.30, 5,131,098.45 and 1,822,472.70 is: 2,733,709.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,732.30 : 5,131,098.45 = 1,822,472.70 : x
  2. Step 2: Convert to fraction form
    3,420,732.30/5,131,098.45 = 1,822,472.70/x
  3. Step 3: Cross multiply
    3,420,732.30x = 5,131,098.45 × 1,822,472.70
  4. Step 4: Simplify right side
    3,420,732.30x = 9,351,286,846,137.32
  5. Step 5: Solve for x
    x = 9,351,286,846,137.32/3,420,732.30
  6. Step 6: Final answer
    x = 2,733,709.05

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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.