Home / 2,286,988.20-3,156,237.54-1,268,721

Finding the Fourth Proportional to 2,286,988.20, 3,156,237.54 and 1,268,721

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Solution

The fourth proportional to 2,286,988.20, 3,156,237.54 and 1,268,721 is: 1,750,942.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286,988.20 : 3,156,237.54 = 1,268,721 : x
  2. Step 2: Convert to fraction form
    2,286,988.20/3,156,237.54 = 1,268,721/x
  3. Step 3: Cross multiply
    2,286,988.20x = 3,156,237.54 × 1,268,721
  4. Step 4: Simplify right side
    2,286,988.20x = 4,004,384,847,986.34
  5. Step 5: Solve for x
    x = 4,004,384,847,986.34/2,286,988.20
  6. Step 6: Final answer
    x = 1,750,942.51

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