Home / 2,179,228.80-3,268,843.20-683,318.40

Finding the Fourth Proportional to 2,179,228.80, 3,268,843.20 and 683,318.40

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Solution

The fourth proportional to 2,179,228.80, 3,268,843.20 and 683,318.40 is: 1,024,977.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,228.80 : 3,268,843.20 = 683,318.40 : x
  2. Step 2: Convert to fraction form
    2,179,228.80/3,268,843.20 = 683,318.40/x
  3. Step 3: Cross multiply
    2,179,228.80x = 3,268,843.20 × 683,318.40
  4. Step 4: Simplify right side
    2,179,228.80x = 2,233,660,705,274.88
  5. Step 5: Solve for x
    x = 2,233,660,705,274.88/2,179,228.80
  6. Step 6: Final answer
    x = 1,024,977.60

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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.