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Finding the Fourth Proportional to 3,745,978.90, 5,169,464.52 and 2,027,099.26

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Solution

The fourth proportional to 3,745,978.90, 5,169,464.52 and 2,027,099.26 is: 2,797,404.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745,978.90 : 5,169,464.52 = 2,027,099.26 : x
  2. Step 2: Convert to fraction form
    3,745,978.90/5,169,464.52 = 2,027,099.26/x
  3. Step 3: Cross multiply
    3,745,978.90x = 5,169,464.52 × 2,027,099.26
  4. Step 4: Simplify right side
    3,745,978.90x = 10,479,017,703,088.25
  5. Step 5: Solve for x
    x = 10,479,017,703,088.25/3,745,978.90
  6. Step 6: Final answer
    x = 2,797,404.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.