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Finding the Fourth Proportional to 4,994,794.63, 7,491,346.91 and 1,399,734.17

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Solution

The fourth proportional to 4,994,794.63, 7,491,346.91 and 1,399,734.17 is: 2,099,364.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,994,794.63 : 7,491,346.91 = 1,399,734.17 : x
  2. Step 2: Convert to fraction form
    4,994,794.63/7,491,346.91 = 1,399,734.17/x
  3. Step 3: Cross multiply
    4,994,794.63x = 7,491,346.91 × 1,399,734.17
  4. Step 4: Simplify right side
    4,994,794.63x = 10,485,894,246,010.57
  5. Step 5: Solve for x
    x = 10,485,894,246,010.57/4,994,794.63
  6. Step 6: Final answer
    x = 2,099,364.44

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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.