Home / 3,845,905.92-5,768,976.96-1,321,525.44

Finding the Fourth Proportional to 3,845,905.92, 5,768,976.96 and 1,321,525.44

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Solution

The fourth proportional to 3,845,905.92, 5,768,976.96 and 1,321,525.44 is: 1,982,328.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845,905.92 : 5,768,976.96 = 1,321,525.44 : x
  2. Step 2: Convert to fraction form
    3,845,905.92/5,768,976.96 = 1,321,525.44/x
  3. Step 3: Cross multiply
    3,845,905.92x = 5,768,976.96 × 1,321,525.44
  4. Step 4: Simplify right side
    3,845,905.92x = 7,623,849,815,413.86
  5. Step 5: Solve for x
    x = 7,623,849,815,413.86/3,845,905.92
  6. Step 6: Final answer
    x = 1,982,328.73

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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.