Home / 2,078,413.70-3,117,620.55-658,904.90

Finding the Fourth Proportional to 2,078,413.70, 3,117,620.55 and 658,904.90

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Solution

The fourth proportional to 2,078,413.70, 3,117,620.55 and 658,904.90 is: 988,357.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,413.70 : 3,117,620.55 = 658,904.90 : x
  2. Step 2: Convert to fraction form
    2,078,413.70/3,117,620.55 = 658,904.90/x
  3. Step 3: Cross multiply
    2,078,413.70x = 3,117,620.55 × 658,904.90
  4. Step 4: Simplify right side
    2,078,413.70x = 2,054,215,456,735.70
  5. Step 5: Solve for x
    x = 2,054,215,456,735.70/2,078,413.70
  6. Step 6: Final answer
    x = 988,357.35

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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.