Home / 2,751,685.20-4,127,916.60-858,229.20

Finding the Fourth Proportional to 2,751,685.20, 4,127,916.60 and 858,229.20

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Solution

The fourth proportional to 2,751,685.20, 4,127,916.60 and 858,229.20 is: 1,287,465.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751,685.20 : 4,127,916.60 = 858,229.20 : x
  2. Step 2: Convert to fraction form
    2,751,685.20/4,127,916.60 = 858,229.20/x
  3. Step 3: Cross multiply
    2,751,685.20x = 4,127,916.60 × 858,229.20
  4. Step 4: Simplify right side
    2,751,685.20x = 3,542,698,561,284.72
  5. Step 5: Solve for x
    x = 3,542,698,561,284.72/2,751,685.20
  6. Step 6: Final answer
    x = 1,287,465.06

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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.