Home / 1,942,286.64-2,682,048-1,218,378.70

Finding the Fourth Proportional to 1,942,286.64, 2,682,048 and 1,218,378.70

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Solution

The fourth proportional to 1,942,286.64, 2,682,048 and 1,218,378.70 is: 1,682,424.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,286.64 : 2,682,048 = 1,218,378.70 : x
  2. Step 2: Convert to fraction form
    1,942,286.64/2,682,048 = 1,218,378.70/x
  3. Step 3: Cross multiply
    1,942,286.64x = 2,682,048 × 1,218,378.70
  4. Step 4: Simplify right side
    1,942,286.64x = 3,267,750,155,577.60
  5. Step 5: Solve for x
    x = 3,267,750,155,577.60/1,942,286.64
  6. Step 6: Final answer
    x = 1,682,424.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.