Home / 5,618,890.88-8,428,335.78-2,380,938.56

Finding the Fourth Proportional to 5,618,890.88, 8,428,335.78 and 2,380,938.56

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Solution

The fourth proportional to 5,618,890.88, 8,428,335.78 and 2,380,938.56 is: 3,571,407.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618,890.88 : 8,428,335.78 = 2,380,938.56 : x
  2. Step 2: Convert to fraction form
    5,618,890.88/8,428,335.78 = 2,380,938.56/x
  3. Step 3: Cross multiply
    5,618,890.88x = 8,428,335.78 × 2,380,938.56
  4. Step 4: Simplify right side
    5,618,890.88x = 20,067,349,655,229.68
  5. Step 5: Solve for x
    x = 20,067,349,655,229.68/5,618,890.88
  6. Step 6: Final answer
    x = 3,571,407.61

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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.