Home / 3,279,709.80-4,526,112.08-1,902,949.56

Finding the Fourth Proportional to 3,279,709.80, 4,526,112.08 and 1,902,949.56

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Solution

The fourth proportional to 3,279,709.80, 4,526,112.08 and 1,902,949.56 is: 2,626,135.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279,709.80 : 4,526,112.08 = 1,902,949.56 : x
  2. Step 2: Convert to fraction form
    3,279,709.80/4,526,112.08 = 1,902,949.56/x
  3. Step 3: Cross multiply
    3,279,709.80x = 4,526,112.08 × 1,902,949.56
  4. Step 4: Simplify right side
    3,279,709.80x = 8,612,962,981,631.94
  5. Step 5: Solve for x
    x = 8,612,962,981,631.94/3,279,709.80
  6. Step 6: Final answer
    x = 2,626,135.70

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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.