Home / 2,043,919.80-3,065,879.70-978,413.40

Finding the Fourth Proportional to 2,043,919.80, 3,065,879.70 and 978,413.40

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Solution

The fourth proportional to 2,043,919.80, 3,065,879.70 and 978,413.40 is: 1,467,620.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043,919.80 : 3,065,879.70 = 978,413.40 : x
  2. Step 2: Convert to fraction form
    2,043,919.80/3,065,879.70 = 978,413.40/x
  3. Step 3: Cross multiply
    2,043,919.80x = 3,065,879.70 × 978,413.40
  4. Step 4: Simplify right side
    2,043,919.80x = 2,999,697,781,267.98
  5. Step 5: Solve for x
    x = 2,999,697,781,267.98/2,043,919.80
  6. Step 6: Final answer
    x = 1,467,620.10

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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.