Home / 6,878,899.88-10,318,373.82-2,086,630.44

Finding the Fourth Proportional to 6,878,899.88, 10,318,373.82 and 2,086,630.44

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Solution

The fourth proportional to 6,878,899.88, 10,318,373.82 and 2,086,630.44 is: 3,129,952.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878,899.88 : 10,318,373.82 = 2,086,630.44 : x
  2. Step 2: Convert to fraction form
    6,878,899.88/10,318,373.82 = 2,086,630.44/x
  3. Step 3: Cross multiply
    6,878,899.88x = 10,318,373.82 × 2,086,630.44
  4. Step 4: Simplify right side
    6,878,899.88x = 21,530,632,904,111.08
  5. Step 5: Solve for x
    x = 21,530,632,904,111.08/6,878,899.88
  6. Step 6: Final answer
    x = 3,129,952.94

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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.