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Finding the Fourth Proportional to 3,813,074.78, 5,719,603.96 and 2,394,127.30

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Solution

The fourth proportional to 3,813,074.78, 5,719,603.96 and 2,394,127.30 is: 3,591,185.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813,074.78 : 5,719,603.96 = 2,394,127.30 : x
  2. Step 2: Convert to fraction form
    3,813,074.78/5,719,603.96 = 2,394,127.30/x
  3. Step 3: Cross multiply
    3,813,074.78x = 5,719,603.96 × 2,394,127.30
  4. Step 4: Simplify right side
    3,813,074.78x = 13,693,459,985,824.11
  5. Step 5: Solve for x
    x = 13,693,459,985,824.11/3,813,074.78
  6. Step 6: Final answer
    x = 3,591,185.80

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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.