Home / 2,200,728.72-3,300,004.40-780,571.92

Finding the Fourth Proportional to 2,200,728.72, 3,300,004.40 and 780,571.92

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Solution

The fourth proportional to 2,200,728.72, 3,300,004.40 and 780,571.92 is: 1,170,471.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200,728.72 : 3,300,004.40 = 780,571.92 : x
  2. Step 2: Convert to fraction form
    2,200,728.72/3,300,004.40 = 780,571.92/x
  3. Step 3: Cross multiply
    2,200,728.72x = 3,300,004.40 × 780,571.92
  4. Step 4: Simplify right side
    2,200,728.72x = 2,575,890,770,516.45
  5. Step 5: Solve for x
    x = 2,575,890,770,516.45/2,200,728.72
  6. Step 6: Final answer
    x = 1,170,471.74

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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.