Home / 6,489,982.11-8,958,932.99-4,043,801.76

Finding the Fourth Proportional to 6,489,982.11, 8,958,932.99 and 4,043,801.76

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Solution

The fourth proportional to 6,489,982.11, 8,958,932.99 and 4,043,801.76 is: 5,582,164.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,489,982.11 : 8,958,932.99 = 4,043,801.76 : x
  2. Step 2: Convert to fraction form
    6,489,982.11/8,958,932.99 = 4,043,801.76/x
  3. Step 3: Cross multiply
    6,489,982.11x = 8,958,932.99 × 4,043,801.76
  4. Step 4: Simplify right side
    6,489,982.11x = 36,228,148,992,684.06
  5. Step 5: Solve for x
    x = 36,228,148,992,684.06/6,489,982.11
  6. Step 6: Final answer
    x = 5,582,164.69

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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.