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Finding the Fourth Proportional to 3,892,207.08, 5,839,658.46 and 1,618,958.28

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Solution

The fourth proportional to 3,892,207.08, 5,839,658.46 and 1,618,958.28 is: 2,428,998.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892,207.08 : 5,839,658.46 = 1,618,958.28 : x
  2. Step 2: Convert to fraction form
    3,892,207.08/5,839,658.46 = 1,618,958.28/x
  3. Step 3: Cross multiply
    3,892,207.08x = 5,839,658.46 × 1,618,958.28
  4. Step 4: Simplify right side
    3,892,207.08x = 9,454,163,416,189.05
  5. Step 5: Solve for x
    x = 9,454,163,416,189.05/3,892,207.08
  6. Step 6: Final answer
    x = 2,428,998.05

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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.