Home / 3,261,638.97-4,501,121.85-1,811,469.69

Finding the Fourth Proportional to 3,261,638.97, 4,501,121.85 and 1,811,469.69

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Solution

The fourth proportional to 3,261,638.97, 4,501,121.85 and 1,811,469.69 is: 2,499,861.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261,638.97 : 4,501,121.85 = 1,811,469.69 : x
  2. Step 2: Convert to fraction form
    3,261,638.97/4,501,121.85 = 1,811,469.69/x
  3. Step 3: Cross multiply
    3,261,638.97x = 4,501,121.85 × 1,811,469.69
  4. Step 4: Simplify right side
    3,261,638.97x = 8,153,645,802,271.73
  5. Step 5: Solve for x
    x = 8,153,645,802,271.73/3,261,638.97
  6. Step 6: Final answer
    x = 2,499,861.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.