Home / 3,261,768.32-4,892,272.31-865,799.12

Finding the Fourth Proportional to 3,261,768.32, 4,892,272.31 and 865,799.12

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Solution

The fourth proportional to 3,261,768.32, 4,892,272.31 and 865,799.12 is: 1,298,597.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261,768.32 : 4,892,272.31 = 865,799.12 : x
  2. Step 2: Convert to fraction form
    3,261,768.32/4,892,272.31 = 865,799.12/x
  3. Step 3: Cross multiply
    3,261,768.32x = 4,892,272.31 × 865,799.12
  4. Step 4: Simplify right side
    3,261,768.32x = 4,235,725,032,008.01
  5. Step 5: Solve for x
    x = 4,235,725,032,008.01/3,261,768.32
  6. Step 6: Final answer
    x = 1,298,597.76

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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.