Home / 2,981,240.70-4,471,934.22-1,087,981.80

Finding the Fourth Proportional to 2,981,240.70, 4,471,934.22 and 1,087,981.80

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Solution

The fourth proportional to 2,981,240.70, 4,471,934.22 and 1,087,981.80 is: 1,631,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981,240.70 : 4,471,934.22 = 1,087,981.80 : x
  2. Step 2: Convert to fraction form
    2,981,240.70/4,471,934.22 = 1,087,981.80/x
  3. Step 3: Cross multiply
    2,981,240.70x = 4,471,934.22 × 1,087,981.80
  4. Step 4: Simplify right side
    2,981,240.70x = 4,865,383,042,157.20
  5. Step 5: Solve for x
    x = 4,865,383,042,157.20/2,981,240.70
  6. Step 6: Final answer
    x = 1,631,999.40

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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.