Home / 2,229,112.80-3,343,669.20-809,215.20

Finding the Fourth Proportional to 2,229,112.80, 3,343,669.20 and 809,215.20

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Solution

The fourth proportional to 2,229,112.80, 3,343,669.20 and 809,215.20 is: 1,213,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229,112.80 : 3,343,669.20 = 809,215.20 : x
  2. Step 2: Convert to fraction form
    2,229,112.80/3,343,669.20 = 809,215.20/x
  3. Step 3: Cross multiply
    2,229,112.80x = 3,343,669.20 × 809,215.20
  4. Step 4: Simplify right side
    2,229,112.80x = 2,705,747,940,411.84
  5. Step 5: Solve for x
    x = 2,705,747,940,411.84/2,229,112.80
  6. Step 6: Final answer
    x = 1,213,822.80

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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.