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Finding the Fourth Proportional to 3,879,796.62, 5,819,694.12 and 1,184,135.52

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Solution

The fourth proportional to 3,879,796.62, 5,819,694.12 and 1,184,135.52 is: 1,776,203.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,796.62 : 5,819,694.12 = 1,184,135.52 : x
  2. Step 2: Convert to fraction form
    3,879,796.62/5,819,694.12 = 1,184,135.52/x
  3. Step 3: Cross multiply
    3,879,796.62x = 5,819,694.12 × 1,184,135.52
  4. Step 4: Simplify right side
    3,879,796.62x = 6,891,306,523,027.14
  5. Step 5: Solve for x
    x = 6,891,306,523,027.14/3,879,796.62
  6. Step 6: Final answer
    x = 1,776,203.03

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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.