Home / 2,751,454.20-4,127,181.30-858,192.60

Finding the Fourth Proportional to 2,751,454.20, 4,127,181.30 and 858,192.60

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Solution

The fourth proportional to 2,751,454.20, 4,127,181.30 and 858,192.60 is: 1,287,288.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751,454.20 : 4,127,181.30 = 858,192.60 : x
  2. Step 2: Convert to fraction form
    2,751,454.20/4,127,181.30 = 858,192.60/x
  3. Step 3: Cross multiply
    2,751,454.20x = 4,127,181.30 × 858,192.60
  4. Step 4: Simplify right side
    2,751,454.20x = 3,541,916,450,518.38
  5. Step 5: Solve for x
    x = 3,541,916,450,518.38/2,751,454.20
  6. Step 6: Final answer
    x = 1,287,288.90

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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.