Home / 2,155,843.20-3,233,764.80-659,740.80

Finding the Fourth Proportional to 2,155,843.20, 3,233,764.80 and 659,740.80

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Solution

The fourth proportional to 2,155,843.20, 3,233,764.80 and 659,740.80 is: 989,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,843.20 : 3,233,764.80 = 659,740.80 : x
  2. Step 2: Convert to fraction form
    2,155,843.20/3,233,764.80 = 659,740.80/x
  3. Step 3: Cross multiply
    2,155,843.20x = 3,233,764.80 × 659,740.80
  4. Step 4: Simplify right side
    2,155,843.20x = 2,133,446,576,163.84
  5. Step 5: Solve for x
    x = 2,133,446,576,163.84/2,155,843.20
  6. Step 6: Final answer
    x = 989,611.20

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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.