Home / 2,309,504.20-3,462,413.10-978,713.80

Finding the Fourth Proportional to 2,309,504.20, 3,462,413.10 and 978,713.80

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Solution

The fourth proportional to 2,309,504.20, 3,462,413.10 and 978,713.80 is: 1,467,289.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309,504.20 : 3,462,413.10 = 978,713.80 : x
  2. Step 2: Convert to fraction form
    2,309,504.20/3,462,413.10 = 978,713.80/x
  3. Step 3: Cross multiply
    2,309,504.20x = 3,462,413.10 × 978,713.80
  4. Step 4: Simplify right side
    2,309,504.20x = 3,388,711,482,270.78
  5. Step 5: Solve for x
    x = 3,388,711,482,270.78/2,309,504.20
  6. Step 6: Final answer
    x = 1,467,289.60

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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.