Home / 2,981,141.80-4,471,786.20-1,087,882.63

Finding the Fourth Proportional to 2,981,141.80, 4,471,786.20 and 1,087,882.63

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Solution

The fourth proportional to 2,981,141.80, 4,471,786.20 and 1,087,882.63 is: 1,631,850.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981,141.80 : 4,471,786.20 = 1,087,882.63 : x
  2. Step 2: Convert to fraction form
    2,981,141.80/4,471,786.20 = 1,087,882.63/x
  3. Step 3: Cross multiply
    2,981,141.80x = 4,471,786.20 × 1,087,882.63
  4. Step 4: Simplify right side
    2,981,141.80x = 4,864,778,532,053.71
  5. Step 5: Solve for x
    x = 4,864,778,532,053.71/2,981,141.80
  6. Step 6: Final answer
    x = 1,631,850.77

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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.