Finding the Fourth Proportional to 3,186,121.44, 4,396,834.41 and 1,735,812.42
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Solution
The fourth proportional to 3,186,121.44, 4,396,834.41 and 1,735,812.42 is: 2,395,413.96
Step by Step Solution
- Step 1: Write the proportion equation
3,186,121.44 : 4,396,834.41 = 1,735,812.42 : x - Step 2: Convert to fraction form
3,186,121.44/4,396,834.41 = 1,735,812.42/x - Step 3: Cross multiply
3,186,121.44x = 4,396,834.41 × 1,735,812.42 - Step 4: Simplify right side
3,186,121.44x = 7,632,079,777,561.37 - Step 5: Solve for x
x = 7,632,079,777,561.37/3,186,121.44 - Step 6: Final answer
x = 2,395,413.96
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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.