Home / 2,773,721.20-4,161,310.80-880,459.60

Finding the Fourth Proportional to 2,773,721.20, 4,161,310.80 and 880,459.60

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Solution

The fourth proportional to 2,773,721.20, 4,161,310.80 and 880,459.60 is: 1,320,920.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,773,721.20 : 4,161,310.80 = 880,459.60 : x
  2. Step 2: Convert to fraction form
    2,773,721.20/4,161,310.80 = 880,459.60/x
  3. Step 3: Cross multiply
    2,773,721.20x = 4,161,310.80 × 880,459.60
  4. Step 4: Simplify right side
    2,773,721.20x = 3,663,866,042,443.68
  5. Step 5: Solve for x
    x = 3,663,866,042,443.68/2,773,721.20
  6. Step 6: Final answer
    x = 1,320,920.81

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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.