Home / 2,698,909.92-4,045,217.22-991,766.88

Finding the Fourth Proportional to 2,698,909.92, 4,045,217.22 and 991,766.88

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Solution

The fourth proportional to 2,698,909.92, 4,045,217.22 and 991,766.88 is: 1,486,493.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698,909.92 : 4,045,217.22 = 991,766.88 : x
  2. Step 2: Convert to fraction form
    2,698,909.92/4,045,217.22 = 991,766.88/x
  3. Step 3: Cross multiply
    2,698,909.92x = 4,045,217.22 × 991,766.88
  4. Step 4: Simplify right side
    2,698,909.92x = 4,011,912,461,201.67
  5. Step 5: Solve for x
    x = 4,011,912,461,201.67/2,698,909.92
  6. Step 6: Final answer
    x = 1,486,493.65

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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.