Home / 3,351,694.62-5,021,198.72-1,981,365.69

Finding the Fourth Proportional to 3,351,694.62, 5,021,198.72 and 1,981,365.69

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Solution

The fourth proportional to 3,351,694.62, 5,021,198.72 and 1,981,365.69 is: 2,968,298.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351,694.62 : 5,021,198.72 = 1,981,365.69 : x
  2. Step 2: Convert to fraction form
    3,351,694.62/5,021,198.72 = 1,981,365.69/x
  3. Step 3: Cross multiply
    3,351,694.62x = 5,021,198.72 × 1,981,365.69
  4. Step 4: Simplify right side
    3,351,694.62x = 9,948,830,866,479.92
  5. Step 5: Solve for x
    x = 9,948,830,866,479.92/3,351,694.62
  6. Step 6: Final answer
    x = 2,968,298.72

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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.