Home / 2,079,413.40-3,119,120.10-659,580.60

Finding the Fourth Proportional to 2,079,413.40, 3,119,120.10 and 659,580.60

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Solution

The fourth proportional to 2,079,413.40, 3,119,120.10 and 659,580.60 is: 989,370.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,413.40 : 3,119,120.10 = 659,580.60 : x
  2. Step 2: Convert to fraction form
    2,079,413.40/3,119,120.10 = 659,580.60/x
  3. Step 3: Cross multiply
    2,079,413.40x = 3,119,120.10 × 659,580.60
  4. Step 4: Simplify right side
    2,079,413.40x = 2,057,311,107,030.06
  5. Step 5: Solve for x
    x = 2,057,311,107,030.06/2,079,413.40
  6. Step 6: Final answer
    x = 989,370.90

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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.