Home / 4,087,874.40-6,131,811.60-2,660,200.80

Finding the Fourth Proportional to 4,087,874.40, 6,131,811.60 and 2,660,200.80

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Solution

The fourth proportional to 4,087,874.40, 6,131,811.60 and 2,660,200.80 is: 3,990,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087,874.40 : 6,131,811.60 = 2,660,200.80 : x
  2. Step 2: Convert to fraction form
    4,087,874.40/6,131,811.60 = 2,660,200.80/x
  3. Step 3: Cross multiply
    4,087,874.40x = 6,131,811.60 × 2,660,200.80
  4. Step 4: Simplify right side
    4,087,874.40x = 16,311,850,123,769.28
  5. Step 5: Solve for x
    x = 16,311,850,123,769.28/4,087,874.40
  6. Step 6: Final answer
    x = 3,990,301.20

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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.