Home / 2,861,166.49-3,951,902.83-2,139,215.92

Finding the Fourth Proportional to 2,861,166.49, 3,951,902.83 and 2,139,215.92

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Solution

The fourth proportional to 2,861,166.49, 3,951,902.83 and 2,139,215.92 is: 2,954,729.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861,166.49 : 3,951,902.83 = 2,139,215.92 : x
  2. Step 2: Convert to fraction form
    2,861,166.49/3,951,902.83 = 2,139,215.92/x
  3. Step 3: Cross multiply
    2,861,166.49x = 3,951,902.83 × 2,139,215.92
  4. Step 4: Simplify right side
    2,861,166.49x = 8,453,973,437,532.97
  5. Step 5: Solve for x
    x = 8,453,973,437,532.97/2,861,166.49
  6. Step 6: Final answer
    x = 2,954,729.64

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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.