Home / 3,436,960.35-5,155,439.76-878,180.07

Finding the Fourth Proportional to 3,436,960.35, 5,155,439.76 and 878,180.07

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Solution

The fourth proportional to 3,436,960.35, 5,155,439.76 and 878,180.07 is: 1,317,269.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436,960.35 : 5,155,439.76 = 878,180.07 : x
  2. Step 2: Convert to fraction form
    3,436,960.35/5,155,439.76 = 878,180.07/x
  3. Step 3: Cross multiply
    3,436,960.35x = 5,155,439.76 × 878,180.07
  4. Step 4: Simplify right side
    3,436,960.35x = 4,527,404,449,317.58
  5. Step 5: Solve for x
    x = 4,527,404,449,317.58/3,436,960.35
  6. Step 6: Final answer
    x = 1,317,269.91

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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.