Home / 2,027,436.20-2,797,560.92-1,231,378.80

Finding the Fourth Proportional to 2,027,436.20, 2,797,560.92 and 1,231,378.80

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Solution

The fourth proportional to 2,027,436.20, 2,797,560.92 and 1,231,378.80 is: 1,699,119.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027,436.20 : 2,797,560.92 = 1,231,378.80 : x
  2. Step 2: Convert to fraction form
    2,027,436.20/2,797,560.92 = 1,231,378.80/x
  3. Step 3: Cross multiply
    2,027,436.20x = 2,797,560.92 × 1,231,378.80
  4. Step 4: Simplify right side
    2,027,436.20x = 3,444,857,208,596.50
  5. Step 5: Solve for x
    x = 3,444,857,208,596.50/2,027,436.20
  6. Step 6: Final answer
    x = 1,699,119.91

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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.