Home / 2,187,340.20-3,281,010.30-1,226,809.80

Finding the Fourth Proportional to 2,187,340.20, 3,281,010.30 and 1,226,809.80

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Solution

The fourth proportional to 2,187,340.20, 3,281,010.30 and 1,226,809.80 is: 1,840,214.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,340.20 : 3,281,010.30 = 1,226,809.80 : x
  2. Step 2: Convert to fraction form
    2,187,340.20/3,281,010.30 = 1,226,809.80/x
  3. Step 3: Cross multiply
    2,187,340.20x = 3,281,010.30 × 1,226,809.80
  4. Step 4: Simplify right side
    2,187,340.20x = 4,025,175,589,940.94
  5. Step 5: Solve for x
    x = 4,025,175,589,940.94/2,187,340.20
  6. Step 6: Final answer
    x = 1,840,214.70

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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.