Home / 3,286,890.29-4,930,583.60-981,201.65

Finding the Fourth Proportional to 3,286,890.29, 4,930,583.60 and 981,201.65

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Solution

The fourth proportional to 3,286,890.29, 4,930,583.60 and 981,201.65 is: 1,471,876.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286,890.29 : 4,930,583.60 = 981,201.65 : x
  2. Step 2: Convert to fraction form
    3,286,890.29/4,930,583.60 = 981,201.65/x
  3. Step 3: Cross multiply
    3,286,890.29x = 4,930,583.60 × 981,201.65
  4. Step 4: Simplify right side
    3,286,890.29x = 4,837,896,769,317.56
  5. Step 5: Solve for x
    x = 4,837,896,769,317.56/3,286,890.29
  6. Step 6: Final answer
    x = 1,471,876.56

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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.