Home / 2,160,198-2,981,073.24-1,206,342

Finding the Fourth Proportional to 2,160,198, 2,981,073.24 and 1,206,342

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Solution

The fourth proportional to 2,160,198, 2,981,073.24 and 1,206,342 is: 1,664,751.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,198 : 2,981,073.24 = 1,206,342 : x
  2. Step 2: Convert to fraction form
    2,160,198/2,981,073.24 = 1,206,342/x
  3. Step 3: Cross multiply
    2,160,198x = 2,981,073.24 × 1,206,342
  4. Step 4: Simplify right side
    2,160,198x = 3,596,193,854,488.08
  5. Step 5: Solve for x
    x = 3,596,193,854,488.08/2,160,198
  6. Step 6: Final answer
    x = 1,664,751.96

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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.