Home / 5,507,910.40-8,261,872.08-1,721,413.12

Finding the Fourth Proportional to 5,507,910.40, 8,261,872.08 and 1,721,413.12

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Solution

The fourth proportional to 5,507,910.40, 8,261,872.08 and 1,721,413.12 is: 2,582,121.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,507,910.40 : 8,261,872.08 = 1,721,413.12 : x
  2. Step 2: Convert to fraction form
    5,507,910.40/8,261,872.08 = 1,721,413.12/x
  3. Step 3: Cross multiply
    5,507,910.40x = 8,261,872.08 × 1,721,413.12
  4. Step 4: Simplify right side
    5,507,910.40x = 14,222,094,994,273.69
  5. Step 5: Solve for x
    x = 14,222,094,994,273.69/5,507,910.40
  6. Step 6: Final answer
    x = 2,582,121.71

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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.