Home / 2,923,930.80-4,385,896.20-2,215,342.80

Finding the Fourth Proportional to 2,923,930.80, 4,385,896.20 and 2,215,342.80

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Solution

The fourth proportional to 2,923,930.80, 4,385,896.20 and 2,215,342.80 is: 3,323,014.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923,930.80 : 4,385,896.20 = 2,215,342.80 : x
  2. Step 2: Convert to fraction form
    2,923,930.80/4,385,896.20 = 2,215,342.80/x
  3. Step 3: Cross multiply
    2,923,930.80x = 4,385,896.20 × 2,215,342.80
  4. Step 4: Simplify right side
    2,923,930.80x = 9,716,263,568,217.36
  5. Step 5: Solve for x
    x = 9,716,263,568,217.36/2,923,930.80
  6. Step 6: Final answer
    x = 3,323,014.20

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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.