Home / 1,581,059.50-2,181,861.62-855,906.69

Finding the Fourth Proportional to 1,581,059.50, 2,181,861.62 and 855,906.69

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Solution

The fourth proportional to 1,581,059.50, 2,181,861.62 and 855,906.69 is: 1,181,150.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,059.50 : 2,181,861.62 = 855,906.69 : x
  2. Step 2: Convert to fraction form
    1,581,059.50/2,181,861.62 = 855,906.69/x
  3. Step 3: Cross multiply
    1,581,059.50x = 2,181,861.62 × 855,906.69
  4. Step 4: Simplify right side
    1,581,059.50x = 1,867,469,957,212.24
  5. Step 5: Solve for x
    x = 1,867,469,957,212.24/1,581,059.50
  6. Step 6: Final answer
    x = 1,181,150.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.