Home / 2,193,308.20-3,286,025.70-1,878,380.20

Finding the Fourth Proportional to 2,193,308.20, 3,286,025.70 and 1,878,380.20

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Solution

The fourth proportional to 2,193,308.20, 3,286,025.70 and 1,878,380.20 is: 2,814,198.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193,308.20 : 3,286,025.70 = 1,878,380.20 : x
  2. Step 2: Convert to fraction form
    2,193,308.20/3,286,025.70 = 1,878,380.20/x
  3. Step 3: Cross multiply
    2,193,308.20x = 3,286,025.70 × 1,878,380.20
  4. Step 4: Simplify right side
    2,193,308.20x = 6,172,405,611,571.14
  5. Step 5: Solve for x
    x = 6,172,405,611,571.14/2,193,308.20
  6. Step 6: Final answer
    x = 2,814,198.94

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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.