Home / 4,815,169.25-7,220,654.15-1,821,253.73

Finding the Fourth Proportional to 4,815,169.25, 7,220,654.15 and 1,821,253.73

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Solution

The fourth proportional to 4,815,169.25, 7,220,654.15 and 1,821,253.73 is: 2,731,086.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815,169.25 : 7,220,654.15 = 1,821,253.73 : x
  2. Step 2: Convert to fraction form
    4,815,169.25/7,220,654.15 = 1,821,253.73/x
  3. Step 3: Cross multiply
    4,815,169.25x = 7,220,654.15 × 1,821,253.73
  4. Step 4: Simplify right side
    4,815,169.25x = 13,150,643,258,517.94
  5. Step 5: Solve for x
    x = 13,150,643,258,517.94/4,815,169.25
  6. Step 6: Final answer
    x = 2,731,086.40

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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.