Home / 6,690,908.82-9,231,419.97-3,789,838.74

Finding the Fourth Proportional to 6,690,908.82, 9,231,419.97 and 3,789,838.74

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Solution

The fourth proportional to 6,690,908.82, 9,231,419.97 and 3,789,838.74 is: 5,228,825.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690,908.82 : 9,231,419.97 = 3,789,838.74 : x
  2. Step 2: Convert to fraction form
    6,690,908.82/9,231,419.97 = 3,789,838.74/x
  3. Step 3: Cross multiply
    6,690,908.82x = 9,231,419.97 × 3,789,838.74
  4. Step 4: Simplify right side
    6,690,908.82x = 34,985,593,027,515.64
  5. Step 5: Solve for x
    x = 34,985,593,027,515.64/6,690,908.82
  6. Step 6: Final answer
    x = 5,228,825.26

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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.