Finding the Fourth Proportional to 3,721,413.12, 5,135,550.12 and 2,089,821.84
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Solution
The fourth proportional to 3,721,413.12, 5,135,550.12 and 2,089,821.84 is: 2,883,954.15
Step by Step Solution
- Step 1: Write the proportion equation
3,721,413.12 : 5,135,550.12 = 2,089,821.84 : x - Step 2: Convert to fraction form
3,721,413.12/5,135,550.12 = 2,089,821.84/x - Step 3: Cross multiply
3,721,413.12x = 5,135,550.12 × 2,089,821.84 - Step 4: Simplify right side
3,721,413.12x = 10,732,384,801,190.62 - Step 5: Solve for x
x = 10,732,384,801,190.62/3,721,413.12 - Step 6: Final answer
x = 2,883,954.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.