Home / 2,729,221.20-4,085,958.60-1,666,339.20

Finding the Fourth Proportional to 2,729,221.20, 4,085,958.60 and 1,666,339.20

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Solution

The fourth proportional to 2,729,221.20, 4,085,958.60 and 1,666,339.20 is: 2,494,701.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729,221.20 : 4,085,958.60 = 1,666,339.20 : x
  2. Step 2: Convert to fraction form
    2,729,221.20/4,085,958.60 = 1,666,339.20/x
  3. Step 3: Cross multiply
    2,729,221.20x = 4,085,958.60 × 1,666,339.20
  4. Step 4: Simplify right side
    2,729,221.20x = 6,808,592,984,757.12
  5. Step 5: Solve for x
    x = 6,808,592,984,757.12/2,729,221.20
  6. Step 6: Final answer
    x = 2,494,701.78

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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.