Home / 3,286,643.40-4,929,965.10-2,278,873.80

Finding the Fourth Proportional to 3,286,643.40, 4,929,965.10 and 2,278,873.80

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Solution

The fourth proportional to 3,286,643.40, 4,929,965.10 and 2,278,873.80 is: 3,418,310.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286,643.40 : 4,929,965.10 = 2,278,873.80 : x
  2. Step 2: Convert to fraction form
    3,286,643.40/4,929,965.10 = 2,278,873.80/x
  3. Step 3: Cross multiply
    3,286,643.40x = 4,929,965.10 × 2,278,873.80
  4. Step 4: Simplify right side
    3,286,643.40x = 11,234,768,301,304.38
  5. Step 5: Solve for x
    x = 11,234,768,301,304.38/3,286,643.40
  6. Step 6: Final answer
    x = 3,418,310.70

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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.