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Finding the Fourth Proportional to 2,664,353.94, 3,997,843.14 and 1,244,203.62

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Solution

The fourth proportional to 2,664,353.94, 3,997,843.14 and 1,244,203.62 is: 1,866,918.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664,353.94 : 3,997,843.14 = 1,244,203.62 : x
  2. Step 2: Convert to fraction form
    2,664,353.94/3,997,843.14 = 1,244,203.62/x
  3. Step 3: Cross multiply
    2,664,353.94x = 3,997,843.14 × 1,244,203.62
  4. Step 4: Simplify right side
    2,664,353.94x = 4,974,130,906,980.17
  5. Step 5: Solve for x
    x = 4,974,130,906,980.17/2,664,353.94
  6. Step 6: Final answer
    x = 1,866,918.22

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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.