Home / 3,321,021.80-4,981,532.70-3,021,840.20

Finding the Fourth Proportional to 3,321,021.80, 4,981,532.70 and 3,021,840.20

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Solution

The fourth proportional to 3,321,021.80, 4,981,532.70 and 3,021,840.20 is: 4,532,760.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321,021.80 : 4,981,532.70 = 3,021,840.20 : x
  2. Step 2: Convert to fraction form
    3,321,021.80/4,981,532.70 = 3,021,840.20/x
  3. Step 3: Cross multiply
    3,321,021.80x = 4,981,532.70 × 3,021,840.20
  4. Step 4: Simplify right side
    3,321,021.80x = 15,053,395,770,474.54
  5. Step 5: Solve for x
    x = 15,053,395,770,474.54/3,321,021.80
  6. Step 6: Final answer
    x = 4,532,760.30

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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.