Home / 4,311,195.40-6,469,125.90-1,787,105.80

Finding the Fourth Proportional to 4,311,195.40, 6,469,125.90 and 1,787,105.80

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Solution

The fourth proportional to 4,311,195.40, 6,469,125.90 and 1,787,105.80 is: 2,681,625.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311,195.40 : 6,469,125.90 = 1,787,105.80 : x
  2. Step 2: Convert to fraction form
    4,311,195.40/6,469,125.90 = 1,787,105.80/x
  3. Step 3: Cross multiply
    4,311,195.40x = 6,469,125.90 × 1,787,105.80
  4. Step 4: Simplify right side
    4,311,195.40x = 11,561,012,416,820.22
  5. Step 5: Solve for x
    x = 11,561,012,416,820.22/4,311,195.40
  6. Step 6: Final answer
    x = 2,681,625.71

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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.