Home / 2,080,720.20-3,120,302.70-818,286.60

Finding the Fourth Proportional to 2,080,720.20, 3,120,302.70 and 818,286.60

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Solution

The fourth proportional to 2,080,720.20, 3,120,302.70 and 818,286.60 is: 1,227,124.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,720.20 : 3,120,302.70 = 818,286.60 : x
  2. Step 2: Convert to fraction form
    2,080,720.20/3,120,302.70 = 818,286.60/x
  3. Step 3: Cross multiply
    2,080,720.20x = 3,120,302.70 × 818,286.60
  4. Step 4: Simplify right side
    2,080,720.20x = 2,553,301,887,353.82
  5. Step 5: Solve for x
    x = 2,553,301,887,353.82/2,080,720.20
  6. Step 6: Final answer
    x = 1,227,124.09

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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.