Home / 3,843,121.19-5,302,965.42-2,189,311.79

Finding the Fourth Proportional to 3,843,121.19, 5,302,965.42 and 2,189,311.79

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Solution

The fourth proportional to 3,843,121.19, 5,302,965.42 and 2,189,311.79 is: 3,020,941.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,843,121.19 : 5,302,965.42 = 2,189,311.79 : x
  2. Step 2: Convert to fraction form
    3,843,121.19/5,302,965.42 = 2,189,311.79/x
  3. Step 3: Cross multiply
    3,843,121.19x = 5,302,965.42 × 2,189,311.79
  4. Step 4: Simplify right side
    3,843,121.19x = 11,609,844,689,453.47
  5. Step 5: Solve for x
    x = 11,609,844,689,453.47/3,843,121.19
  6. Step 6: Final answer
    x = 3,020,941.61

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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.