Home / 2,819,474.88-4,229,175.84-689,576.64

Finding the Fourth Proportional to 2,819,474.88, 4,229,175.84 and 689,576.64

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Solution

The fourth proportional to 2,819,474.88, 4,229,175.84 and 689,576.64 is: 1,034,356.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,474.88 : 4,229,175.84 = 689,576.64 : x
  2. Step 2: Convert to fraction form
    2,819,474.88/4,229,175.84 = 689,576.64/x
  3. Step 3: Cross multiply
    2,819,474.88x = 4,229,175.84 × 689,576.64
  4. Step 4: Simplify right side
    2,819,474.88x = 2,916,340,865,716.38
  5. Step 5: Solve for x
    x = 2,916,340,865,716.38/2,819,474.88
  6. Step 6: Final answer
    x = 1,034,356.04

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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.