Home / 2,751,866.20-4,128,188.10-858,410.20

Finding the Fourth Proportional to 2,751,866.20, 4,128,188.10 and 858,410.20

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Solution

The fourth proportional to 2,751,866.20, 4,128,188.10 and 858,410.20 is: 1,287,736.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751,866.20 : 4,128,188.10 = 858,410.20 : x
  2. Step 2: Convert to fraction form
    2,751,866.20/4,128,188.10 = 858,410.20/x
  3. Step 3: Cross multiply
    2,751,866.20x = 4,128,188.10 × 858,410.20
  4. Step 4: Simplify right side
    2,751,866.20x = 3,543,678,772,558.62
  5. Step 5: Solve for x
    x = 3,543,678,772,558.62/2,751,866.20
  6. Step 6: Final answer
    x = 1,287,736.58

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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.