Home / 2,722,999.80-4,084,499.70-829,738.20

Finding the Fourth Proportional to 2,722,999.80, 4,084,499.70 and 829,738.20

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Solution

The fourth proportional to 2,722,999.80, 4,084,499.70 and 829,738.20 is: 1,244,607.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722,999.80 : 4,084,499.70 = 829,738.20 : x
  2. Step 2: Convert to fraction form
    2,722,999.80/4,084,499.70 = 829,738.20/x
  3. Step 3: Cross multiply
    2,722,999.80x = 4,084,499.70 × 829,738.20
  4. Step 4: Simplify right side
    2,722,999.80x = 3,389,065,428,978.54
  5. Step 5: Solve for x
    x = 3,389,065,428,978.54/2,722,999.80
  6. Step 6: Final answer
    x = 1,244,607.30

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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.