Home / 2,104,211.89-3,156,785.60-981,668.53

Finding the Fourth Proportional to 2,104,211.89, 3,156,785.60 and 981,668.53

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Solution

The fourth proportional to 2,104,211.89, 3,156,785.60 and 981,668.53 is: 1,472,721.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104,211.89 : 3,156,785.60 = 981,668.53 : x
  2. Step 2: Convert to fraction form
    2,104,211.89/3,156,785.60 = 981,668.53/x
  3. Step 3: Cross multiply
    2,104,211.89x = 3,156,785.60 × 981,668.53
  4. Step 4: Simplify right side
    2,104,211.89x = 3,098,917,079,477.17
  5. Step 5: Solve for x
    x = 3,098,917,079,477.17/2,104,211.89
  6. Step 6: Final answer
    x = 1,472,721.02

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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.