Home / 2,286,788.20-3,155,961.70-1,268,521

Finding the Fourth Proportional to 2,286,788.20, 3,155,961.70 and 1,268,521

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Solution

The fourth proportional to 2,286,788.20, 3,155,961.70 and 1,268,521 is: 1,750,666.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286,788.20 : 3,155,961.70 = 1,268,521 : x
  2. Step 2: Convert to fraction form
    2,286,788.20/3,155,961.70 = 1,268,521/x
  3. Step 3: Cross multiply
    2,286,788.20x = 3,155,961.70 × 1,268,521
  4. Step 4: Simplify right side
    2,286,788.20x = 4,003,403,691,645.70
  5. Step 5: Solve for x
    x = 4,003,403,691,645.70/2,286,788.20
  6. Step 6: Final answer
    x = 1,750,666.59

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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.