Home / 2,718,938.88-4,078,414.80-825,694.56

Finding the Fourth Proportional to 2,718,938.88, 4,078,414.80 and 825,694.56

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Solution

The fourth proportional to 2,718,938.88, 4,078,414.80 and 825,694.56 is: 1,238,543.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718,938.88 : 4,078,414.80 = 825,694.56 : x
  2. Step 2: Convert to fraction form
    2,718,938.88/4,078,414.80 = 825,694.56/x
  3. Step 3: Cross multiply
    2,718,938.88x = 4,078,414.80 × 825,694.56
  4. Step 4: Simplify right side
    2,718,938.88x = 3,367,524,913,783.49
  5. Step 5: Solve for x
    x = 3,367,524,913,783.49/2,718,938.88
  6. Step 6: Final answer
    x = 1,238,543.81

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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.