Home / 6,440,413.20-9,661,786.20-3,237,478.80

Finding the Fourth Proportional to 6,440,413.20, 9,661,786.20 and 3,237,478.80

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Solution

The fourth proportional to 6,440,413.20, 9,661,786.20 and 3,237,478.80 is: 4,856,804.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440,413.20 : 9,661,786.20 = 3,237,478.80 : x
  2. Step 2: Convert to fraction form
    6,440,413.20/9,661,786.20 = 3,237,478.80/x
  3. Step 3: Cross multiply
    6,440,413.20x = 9,661,786.20 × 3,237,478.80
  4. Step 4: Simplify right side
    6,440,413.20x = 31,279,827,992,632.55
  5. Step 5: Solve for x
    x = 31,279,827,992,632.55/6,440,413.20
  6. Step 6: Final answer
    x = 4,856,804.53

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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.