Home / 3,202,413.77-4,418,894.55-1,912,980.44

Finding the Fourth Proportional to 3,202,413.77, 4,418,894.55 and 1,912,980.44

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Solution

The fourth proportional to 3,202,413.77, 4,418,894.55 and 1,912,980.44 is: 2,639,652.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,202,413.77 : 4,418,894.55 = 1,912,980.44 : x
  2. Step 2: Convert to fraction form
    3,202,413.77/4,418,894.55 = 1,912,980.44/x
  3. Step 3: Cross multiply
    3,202,413.77x = 4,418,894.55 × 1,912,980.44
  4. Step 4: Simplify right side
    3,202,413.77x = 8,453,258,858,793.52
  5. Step 5: Solve for x
    x = 8,453,258,858,793.52/3,202,413.77
  6. Step 6: Final answer
    x = 2,639,652.29

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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.