Home / 3,150,413.80-4,725,620.70-2,079,658.60

Finding the Fourth Proportional to 3,150,413.80, 4,725,620.70 and 2,079,658.60

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Solution

The fourth proportional to 3,150,413.80, 4,725,620.70 and 2,079,658.60 is: 3,119,487.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150,413.80 : 4,725,620.70 = 2,079,658.60 : x
  2. Step 2: Convert to fraction form
    3,150,413.80/4,725,620.70 = 2,079,658.60/x
  3. Step 3: Cross multiply
    3,150,413.80x = 4,725,620.70 × 2,079,658.60
  4. Step 4: Simplify right side
    3,150,413.80x = 9,827,677,729,093.02
  5. Step 5: Solve for x
    x = 9,827,677,729,093.02/3,150,413.80
  6. Step 6: Final answer
    x = 3,119,487.90

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Double scale
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Similar ratio
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1.5x scale

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.