Home / 2,979,125.80-4,469,271.90-1,273,265.80

Finding the Fourth Proportional to 2,979,125.80, 4,469,271.90 and 1,273,265.80

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Solution

The fourth proportional to 2,979,125.80, 4,469,271.90 and 1,273,265.80 is: 1,910,147.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,125.80 : 4,469,271.90 = 1,273,265.80 : x
  2. Step 2: Convert to fraction form
    2,979,125.80/4,469,271.90 = 1,273,265.80/x
  3. Step 3: Cross multiply
    2,979,125.80x = 4,469,271.90 × 1,273,265.80
  4. Step 4: Simplify right side
    2,979,125.80x = 5,690,571,061,171.02
  5. Step 5: Solve for x
    x = 5,690,571,061,171.02/2,979,125.80
  6. Step 6: Final answer
    x = 1,910,147.96

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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.