Home / 3,436,959.60-5,155,438.64-878,179.32

Finding the Fourth Proportional to 3,436,959.60, 5,155,438.64 and 878,179.32

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Solution

The fourth proportional to 3,436,959.60, 5,155,438.64 and 878,179.32 is: 1,317,268.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436,959.60 : 5,155,438.64 = 878,179.32 : x
  2. Step 2: Convert to fraction form
    3,436,959.60/5,155,438.64 = 878,179.32/x
  3. Step 3: Cross multiply
    3,436,959.60x = 5,155,438.64 × 878,179.32
  4. Step 4: Simplify right side
    3,436,959.60x = 4,527,399,594,786.03
  5. Step 5: Solve for x
    x = 4,527,399,594,786.03/3,436,959.60
  6. Step 6: Final answer
    x = 1,317,268.78

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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.