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Finding the Fourth Proportional to 3,994,138, 5,991,207 and 1,334,746

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Solution

The fourth proportional to 3,994,138, 5,991,207 and 1,334,746 is: 2,002,119

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994,138 : 5,991,207 = 1,334,746 : x
  2. Step 2: Convert to fraction form
    3,994,138/5,991,207 = 1,334,746/x
  3. Step 3: Cross multiply
    3,994,138x = 5,991,207 × 1,334,746
  4. Step 4: Simplify right side
    3,994,138x = 7,996,739,578,422
  5. Step 5: Solve for x
    x = 7,996,739,578,422/3,994,138
  6. Step 6: Final answer
    x = 2,002,119

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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.