Home / 3,969,861.60-5,957,902.80-1,840,209.60

Finding the Fourth Proportional to 3,969,861.60, 5,957,902.80 and 1,840,209.60

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Solution

The fourth proportional to 3,969,861.60, 5,957,902.80 and 1,840,209.60 is: 2,761,756.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969,861.60 : 5,957,902.80 = 1,840,209.60 : x
  2. Step 2: Convert to fraction form
    3,969,861.60/5,957,902.80 = 1,840,209.60/x
  3. Step 3: Cross multiply
    3,969,861.60x = 5,957,902.80 × 1,840,209.60
  4. Step 4: Simplify right side
    3,969,861.60x = 10,963,789,928,426.88
  5. Step 5: Solve for x
    x = 10,963,789,928,426.88/3,969,861.60
  6. Step 6: Final answer
    x = 2,761,756.21

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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.