Home / 1,982,635.20-2,972,280.96-859,858.56

Finding the Fourth Proportional to 1,982,635.20, 2,972,280.96 and 859,858.56

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Solution

The fourth proportional to 1,982,635.20, 2,972,280.96 and 859,858.56 is: 1,289,062.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,635.20 : 2,972,280.96 = 859,858.56 : x
  2. Step 2: Convert to fraction form
    1,982,635.20/2,972,280.96 = 859,858.56/x
  3. Step 3: Cross multiply
    1,982,635.20x = 2,972,280.96 × 859,858.56
  4. Step 4: Simplify right side
    1,982,635.20x = 2,555,741,226,181.02
  5. Step 5: Solve for x
    x = 2,555,741,226,181.02/1,982,635.20
  6. Step 6: Final answer
    x = 1,289,062.77

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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.