Home / 2,661,851.70-3,991,793.40-864,793.80

Finding the Fourth Proportional to 2,661,851.70, 3,991,793.40 and 864,793.80

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Solution

The fourth proportional to 2,661,851.70, 3,991,793.40 and 864,793.80 is: 1,296,870.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661,851.70 : 3,991,793.40 = 864,793.80 : x
  2. Step 2: Convert to fraction form
    2,661,851.70/3,991,793.40 = 864,793.80/x
  3. Step 3: Cross multiply
    2,661,851.70x = 3,991,793.40 × 864,793.80
  4. Step 4: Simplify right side
    2,661,851.70x = 3,452,078,183,200.92
  5. Step 5: Solve for x
    x = 3,452,078,183,200.92/2,661,851.70
  6. Step 6: Final answer
    x = 1,296,870.97

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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.