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Finding the Fourth Proportional to 2,723,218.80, 4,084,828.20 and 728,674.80

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Solution

The fourth proportional to 2,723,218.80, 4,084,828.20 and 728,674.80 is: 1,093,012.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723,218.80 : 4,084,828.20 = 728,674.80 : x
  2. Step 2: Convert to fraction form
    2,723,218.80/4,084,828.20 = 728,674.80/x
  3. Step 3: Cross multiply
    2,723,218.80x = 4,084,828.20 × 728,674.80
  4. Step 4: Simplify right side
    2,723,218.80x = 2,976,511,371,669.36
  5. Step 5: Solve for x
    x = 2,976,511,371,669.36/2,723,218.80
  6. Step 6: Final answer
    x = 1,093,012.20

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Similar ratio
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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.