Home / 6,661,489.88-9,992,591.57-2,112,883.75

Finding the Fourth Proportional to 6,661,489.88, 9,992,591.57 and 2,112,883.75

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Solution

The fourth proportional to 6,661,489.88, 9,992,591.57 and 2,112,883.75 is: 3,169,438.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661,489.88 : 9,992,591.57 = 2,112,883.75 : x
  2. Step 2: Convert to fraction form
    6,661,489.88/9,992,591.57 = 2,112,883.75/x
  3. Step 3: Cross multiply
    6,661,489.88x = 9,992,591.57 × 2,112,883.75
  4. Step 4: Simplify right side
    6,661,489.88x = 21,113,184,298,677.03
  5. Step 5: Solve for x
    x = 21,113,184,298,677.03/6,661,489.88
  6. Step 6: Final answer
    x = 3,169,438.77

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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.