Home / 2,469,490.80-3,702,162.60-1,287,538.80

Finding the Fourth Proportional to 2,469,490.80, 3,702,162.60 and 1,287,538.80

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Solution

The fourth proportional to 2,469,490.80, 3,702,162.60 and 1,287,538.80 is: 1,930,227.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,469,490.80 : 3,702,162.60 = 1,287,538.80 : x
  2. Step 2: Convert to fraction form
    2,469,490.80/3,702,162.60 = 1,287,538.80/x
  3. Step 3: Cross multiply
    2,469,490.80x = 3,702,162.60 × 1,287,538.80
  4. Step 4: Simplify right side
    2,469,490.80x = 4,766,677,991,408.88
  5. Step 5: Solve for x
    x = 4,766,677,991,408.88/2,469,490.80
  6. Step 6: Final answer
    x = 1,930,227.07

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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.