Home / 3,454,538.72-5,174,868.42-1,720,183.50

Finding the Fourth Proportional to 3,454,538.72, 5,174,868.42 and 1,720,183.50

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Solution

The fourth proportional to 3,454,538.72, 5,174,868.42 and 1,720,183.50 is: 2,576,819.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454,538.72 : 5,174,868.42 = 1,720,183.50 : x
  2. Step 2: Convert to fraction form
    3,454,538.72/5,174,868.42 = 1,720,183.50/x
  3. Step 3: Cross multiply
    3,454,538.72x = 5,174,868.42 × 1,720,183.50
  4. Step 4: Simplify right side
    3,454,538.72x = 8,901,723,270,755.07
  5. Step 5: Solve for x
    x = 8,901,723,270,755.07/3,454,538.72
  6. Step 6: Final answer
    x = 2,576,819.66

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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.