Home / 1,970,122.20-2,954,964.60-550,321.80

Finding the Fourth Proportional to 1,970,122.20, 2,954,964.60 and 550,321.80

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Solution

The fourth proportional to 1,970,122.20, 2,954,964.60 and 550,321.80 is: 825,421.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,122.20 : 2,954,964.60 = 550,321.80 : x
  2. Step 2: Convert to fraction form
    1,970,122.20/2,954,964.60 = 550,321.80/x
  3. Step 3: Cross multiply
    1,970,122.20x = 2,954,964.60 × 550,321.80
  4. Step 4: Simplify right side
    1,970,122.20x = 1,626,181,437,608.28
  5. Step 5: Solve for x
    x = 1,626,181,437,608.28/1,970,122.20
  6. Step 6: Final answer
    x = 825,421.61

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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.