Home / 3,278,447.70-4,917,228.62-882,436.12

Finding the Fourth Proportional to 3,278,447.70, 4,917,228.62 and 882,436.12

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Solution

The fourth proportional to 3,278,447.70, 4,917,228.62 and 882,436.12 is: 1,323,534.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278,447.70 : 4,917,228.62 = 882,436.12 : x
  2. Step 2: Convert to fraction form
    3,278,447.70/4,917,228.62 = 882,436.12/x
  3. Step 3: Cross multiply
    3,278,447.70x = 4,917,228.62 × 882,436.12
  4. Step 4: Simplify right side
    3,278,447.70x = 4,339,140,144,585.75
  5. Step 5: Solve for x
    x = 4,339,140,144,585.75/3,278,447.70
  6. Step 6: Final answer
    x = 1,323,534.96

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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.