Finding the Fourth Proportional to 3,991,413.98, 5,990,906.12 and 2,470,496.28
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Solution
The fourth proportional to 3,991,413.98, 5,990,906.12 and 2,470,496.28 is: 3,708,087.25
Step by Step Solution
- Step 1: Write the proportion equation
3,991,413.98 : 5,990,906.12 = 2,470,496.28 : x - Step 2: Convert to fraction form
3,991,413.98/5,990,906.12 = 2,470,496.28/x - Step 3: Cross multiply
3,991,413.98x = 5,990,906.12 × 2,470,496.28 - Step 4: Simplify right side
3,991,413.98x = 14,800,511,283,289.23 - Step 5: Solve for x
x = 14,800,511,283,289.23/3,991,413.98 - Step 6: Final answer
x = 3,708,087.25
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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.