Home / 3,647,644.40-5,472,061.20-1,123,299.65

Finding the Fourth Proportional to 3,647,644.40, 5,472,061.20 and 1,123,299.65

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Solution

The fourth proportional to 3,647,644.40, 5,472,061.20 and 1,123,299.65 is: 1,685,132.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647,644.40 : 5,472,061.20 = 1,123,299.65 : x
  2. Step 2: Convert to fraction form
    3,647,644.40/5,472,061.20 = 1,123,299.65/x
  3. Step 3: Cross multiply
    3,647,644.40x = 5,472,061.20 × 1,123,299.65
  4. Step 4: Simplify right side
    3,647,644.40x = 6,146,764,403,378.28
  5. Step 5: Solve for x
    x = 6,146,764,403,378.28/3,647,644.40
  6. Step 6: Final answer
    x = 1,685,132.58

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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.