Home / 3,064,472.34-4,229,163.87-1,687,815.78

Finding the Fourth Proportional to 3,064,472.34, 4,229,163.87 and 1,687,815.78

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Solution

The fourth proportional to 3,064,472.34, 4,229,163.87 and 1,687,815.78 is: 2,329,291.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,064,472.34 : 4,229,163.87 = 1,687,815.78 : x
  2. Step 2: Convert to fraction form
    3,064,472.34/4,229,163.87 = 1,687,815.78/x
  3. Step 3: Cross multiply
    3,064,472.34x = 4,229,163.87 × 1,687,815.78
  4. Step 4: Simplify right side
    3,064,472.34x = 7,138,049,531,833.19
  5. Step 5: Solve for x
    x = 7,138,049,531,833.19/3,064,472.34
  6. Step 6: Final answer
    x = 2,329,291.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.