Finding the Fourth Proportional to 4,091,121.36, 5,646,413.56 and 2,461,176.68
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Solution
The fourth proportional to 4,091,121.36, 5,646,413.56 and 2,461,176.68 is: 3,396,824.53
Step by Step Solution
- Step 1: Write the proportion equation
4,091,121.36 : 5,646,413.56 = 2,461,176.68 : x - Step 2: Convert to fraction form
4,091,121.36/5,646,413.56 = 2,461,176.68/x - Step 3: Cross multiply
4,091,121.36x = 5,646,413.56 × 2,461,176.68 - Step 4: Simplify right side
4,091,121.36x = 13,896,821,379,507.78 - Step 5: Solve for x
x = 13,896,821,379,507.78/4,091,121.36 - Step 6: Final answer
x = 3,396,824.53
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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.