Home / 2,751,870.20-4,128,194.10-858,414.20

Finding the Fourth Proportional to 2,751,870.20, 4,128,194.10 and 858,414.20

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Solution

The fourth proportional to 2,751,870.20, 4,128,194.10 and 858,414.20 is: 1,287,742.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751,870.20 : 4,128,194.10 = 858,414.20 : x
  2. Step 2: Convert to fraction form
    2,751,870.20/4,128,194.10 = 858,414.20/x
  3. Step 3: Cross multiply
    2,751,870.20x = 4,128,194.10 × 858,414.20
  4. Step 4: Simplify right side
    2,751,870.20x = 3,543,700,435,796.22
  5. Step 5: Solve for x
    x = 3,543,700,435,796.22/2,751,870.20
  6. Step 6: Final answer
    x = 1,287,742.58

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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.