Home / 2,187,474.80-3,281,212.20-1,957,183.70

Finding the Fourth Proportional to 2,187,474.80, 3,281,212.20 and 1,957,183.70

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Solution

The fourth proportional to 2,187,474.80, 3,281,212.20 and 1,957,183.70 is: 2,935,775.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,474.80 : 3,281,212.20 = 1,957,183.70 : x
  2. Step 2: Convert to fraction form
    2,187,474.80/3,281,212.20 = 1,957,183.70/x
  3. Step 3: Cross multiply
    2,187,474.80x = 3,281,212.20 × 1,957,183.70
  4. Step 4: Simplify right side
    2,187,474.80x = 6,421,935,034,081.14
  5. Step 5: Solve for x
    x = 6,421,935,034,081.14/2,187,474.80
  6. Step 6: Final answer
    x = 2,935,775.55

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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.