Home / 2,144,754.12-3,217,129.11-547,317.21

Finding the Fourth Proportional to 2,144,754.12, 3,217,129.11 and 547,317.21

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Solution

The fourth proportional to 2,144,754.12, 3,217,129.11 and 547,317.21 is: 820,975.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144,754.12 : 3,217,129.11 = 547,317.21 : x
  2. Step 2: Convert to fraction form
    2,144,754.12/3,217,129.11 = 547,317.21/x
  3. Step 3: Cross multiply
    2,144,754.12x = 3,217,129.11 × 547,317.21
  4. Step 4: Simplify right side
    2,144,754.12x = 1,760,790,128,694.98
  5. Step 5: Solve for x
    x = 1,760,790,128,694.98/2,144,754.12
  6. Step 6: Final answer
    x = 820,975.29

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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.