Home / 2,104,212.39-3,156,786.35-981,669.03

Finding the Fourth Proportional to 2,104,212.39, 3,156,786.35 and 981,669.03

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Solution

The fourth proportional to 2,104,212.39, 3,156,786.35 and 981,669.03 is: 1,472,721.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104,212.39 : 3,156,786.35 = 981,669.03 : x
  2. Step 2: Convert to fraction form
    2,104,212.39/3,156,786.35 = 981,669.03/x
  3. Step 3: Cross multiply
    2,104,212.39x = 3,156,786.35 × 981,669.03
  4. Step 4: Simplify right side
    2,104,212.39x = 3,098,919,389,213.40
  5. Step 5: Solve for x
    x = 3,098,919,389,213.40/2,104,212.39
  6. Step 6: Final answer
    x = 1,472,721.77

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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.