Home / 2,160,395.65-2,981,129.92-1,193,463.72

Finding the Fourth Proportional to 2,160,395.65, 2,981,129.92 and 1,193,463.72

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Solution

The fourth proportional to 2,160,395.65, 2,981,129.92 and 1,193,463.72 is: 1,646,860.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,395.65 : 2,981,129.92 = 1,193,463.72 : x
  2. Step 2: Convert to fraction form
    2,160,395.65/2,981,129.92 = 1,193,463.72/x
  3. Step 3: Cross multiply
    2,160,395.65x = 2,981,129.92 × 1,193,463.72
  4. Step 4: Simplify right side
    2,160,395.65x = 3,557,870,407,856.08
  5. Step 5: Solve for x
    x = 3,557,870,407,856.08/2,160,395.65
  6. Step 6: Final answer
    x = 1,646,860.57

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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.