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Finding the Fourth Proportional to 3,607,924.48, 4,978,661.76 and 1,998,257.92

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Solution

The fourth proportional to 3,607,924.48, 4,978,661.76 and 1,998,257.92 is: 2,757,444.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607,924.48 : 4,978,661.76 = 1,998,257.92 : x
  2. Step 2: Convert to fraction form
    3,607,924.48/4,978,661.76 = 1,998,257.92/x
  3. Step 3: Cross multiply
    3,607,924.48x = 4,978,661.76 × 1,998,257.92
  4. Step 4: Simplify right side
    3,607,924.48x = 9,948,650,292,921.14
  5. Step 5: Solve for x
    x = 9,948,650,292,921.14/3,607,924.48
  6. Step 6: Final answer
    x = 2,757,444.16

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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.