Home / 2,286,987.20-3,156,236.16-1,268,720

Finding the Fourth Proportional to 2,286,987.20, 3,156,236.16 and 1,268,720

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Solution

The fourth proportional to 2,286,987.20, 3,156,236.16 and 1,268,720 is: 1,750,941.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286,987.20 : 3,156,236.16 = 1,268,720 : x
  2. Step 2: Convert to fraction form
    2,286,987.20/3,156,236.16 = 1,268,720/x
  3. Step 3: Cross multiply
    2,286,987.20x = 3,156,236.16 × 1,268,720
  4. Step 4: Simplify right side
    2,286,987.20x = 4,004,379,940,915.20
  5. Step 5: Solve for x
    x = 4,004,379,940,915.20/2,286,987.20
  6. Step 6: Final answer
    x = 1,750,941.13

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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.