Home / 1,586,179.85-2,188,930.96-861,028.05

Finding the Fourth Proportional to 1,586,179.85, 2,188,930.96 and 861,028.05

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Solution

The fourth proportional to 1,586,179.85, 2,188,930.96 and 861,028.05 is: 1,188,220.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,179.85 : 2,188,930.96 = 861,028.05 : x
  2. Step 2: Convert to fraction form
    1,586,179.85/2,188,930.96 = 861,028.05/x
  3. Step 3: Cross multiply
    1,586,179.85x = 2,188,930.96 × 861,028.05
  4. Step 4: Simplify right side
    1,586,179.85x = 1,884,730,965,358.20
  5. Step 5: Solve for x
    x = 1,884,730,965,358.20/1,586,179.85
  6. Step 6: Final answer
    x = 1,188,220.22

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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.