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Finding the Fourth Proportional to 2,977,855.92, 4,108,327.92 and 1,753,413.12

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Solution

The fourth proportional to 2,977,855.92, 4,108,327.92 and 1,753,413.12 is: 2,419,054.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977,855.92 : 4,108,327.92 = 1,753,413.12 : x
  2. Step 2: Convert to fraction form
    2,977,855.92/4,108,327.92 = 1,753,413.12/x
  3. Step 3: Cross multiply
    2,977,855.92x = 4,108,327.92 × 1,753,413.12
  4. Step 4: Simplify right side
    2,977,855.92x = 7,203,596,076,190.31
  5. Step 5: Solve for x
    x = 7,203,596,076,190.31/2,977,855.92
  6. Step 6: Final answer
    x = 2,419,054.60

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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.