Home / 3,875,845-5,813,974.86-1,216,660.36

Finding the Fourth Proportional to 3,875,845, 5,813,974.86 and 1,216,660.36

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Solution

The fourth proportional to 3,875,845, 5,813,974.86 and 1,216,660.36 is: 1,825,055.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875,845 : 5,813,974.86 = 1,216,660.36 : x
  2. Step 2: Convert to fraction form
    3,875,845/5,813,974.86 = 1,216,660.36/x
  3. Step 3: Cross multiply
    3,875,845x = 5,813,974.86 × 1,216,660.36
  4. Step 4: Simplify right side
    3,875,845x = 7,073,632,746,198.55
  5. Step 5: Solve for x
    x = 7,073,632,746,198.55/3,875,845
  6. Step 6: Final answer
    x = 1,825,055.63

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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.