Home / 3,453,121.69-5,180,553.49-1,147,626.91

Finding the Fourth Proportional to 3,453,121.69, 5,180,553.49 and 1,147,626.91

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Solution

The fourth proportional to 3,453,121.69, 5,180,553.49 and 1,147,626.91 is: 1,721,729.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453,121.69 : 5,180,553.49 = 1,147,626.91 : x
  2. Step 2: Convert to fraction form
    3,453,121.69/5,180,553.49 = 1,147,626.91/x
  3. Step 3: Cross multiply
    3,453,121.69x = 5,180,553.49 × 1,147,626.91
  4. Step 4: Simplify right side
    3,453,121.69x = 5,945,342,593,818.42
  5. Step 5: Solve for x
    x = 5,945,342,593,818.42/3,453,121.69
  6. Step 6: Final answer
    x = 1,721,729.82

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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.