Home / 2,751,505.20-4,127,257.80-858,243.60

Finding the Fourth Proportional to 2,751,505.20, 4,127,257.80 and 858,243.60

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Solution

The fourth proportional to 2,751,505.20, 4,127,257.80 and 858,243.60 is: 1,287,365.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751,505.20 : 4,127,257.80 = 858,243.60 : x
  2. Step 2: Convert to fraction form
    2,751,505.20/4,127,257.80 = 858,243.60/x
  3. Step 3: Cross multiply
    2,751,505.20x = 4,127,257.80 × 858,243.60
  4. Step 4: Simplify right side
    2,751,505.20x = 3,542,192,592,400.08
  5. Step 5: Solve for x
    x = 3,542,192,592,400.08/2,751,505.20
  6. Step 6: Final answer
    x = 1,287,365.40

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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.