Home / 3,680,867.60-5,521,301.40-985,608.80

Finding the Fourth Proportional to 3,680,867.60, 5,521,301.40 and 985,608.80

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Solution

The fourth proportional to 3,680,867.60, 5,521,301.40 and 985,608.80 is: 1,478,413.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680,867.60 : 5,521,301.40 = 985,608.80 : x
  2. Step 2: Convert to fraction form
    3,680,867.60/5,521,301.40 = 985,608.80/x
  3. Step 3: Cross multiply
    3,680,867.60x = 5,521,301.40 × 985,608.80
  4. Step 4: Simplify right side
    3,680,867.60x = 5,441,843,247,292.32
  5. Step 5: Solve for x
    x = 5,441,843,247,292.32/3,680,867.60
  6. Step 6: Final answer
    x = 1,478,413.20

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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.