Home / 6,878,900.88-10,318,375.32-2,086,631.44

Finding the Fourth Proportional to 6,878,900.88, 10,318,375.32 and 2,086,631.44

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Solution

The fourth proportional to 6,878,900.88, 10,318,375.32 and 2,086,631.44 is: 3,129,954.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878,900.88 : 10,318,375.32 = 2,086,631.44 : x
  2. Step 2: Convert to fraction form
    6,878,900.88/10,318,375.32 = 2,086,631.44/x
  3. Step 3: Cross multiply
    6,878,900.88x = 10,318,375.32 × 2,086,631.44
  4. Step 4: Simplify right side
    6,878,900.88x = 21,530,646,352,432.06
  5. Step 5: Solve for x
    x = 21,530,646,352,432.06/6,878,900.88
  6. Step 6: Final answer
    x = 3,129,954.44

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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.