Home / 2,951,991.28-4,073,622.06-1,645,173.78

Finding the Fourth Proportional to 2,951,991.28, 4,073,622.06 and 1,645,173.78

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Solution

The fourth proportional to 2,951,991.28, 4,073,622.06 and 1,645,173.78 is: 2,270,269.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951,991.28 : 4,073,622.06 = 1,645,173.78 : x
  2. Step 2: Convert to fraction form
    2,951,991.28/4,073,622.06 = 1,645,173.78/x
  3. Step 3: Cross multiply
    2,951,991.28x = 4,073,622.06 × 1,645,173.78
  4. Step 4: Simplify right side
    2,951,991.28x = 6,701,816,202,741.59
  5. Step 5: Solve for x
    x = 6,701,816,202,741.59/2,951,991.28
  6. Step 6: Final answer
    x = 2,270,269.65

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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.