Finding the Fourth Proportional to 5,204,778.93, 7,181,738.03 and 3,269,669.09
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Solution
The fourth proportional to 5,204,778.93, 7,181,738.03 and 3,269,669.09 is: 4,511,605.03
Step by Step Solution
- Step 1: Write the proportion equation
5,204,778.93 : 7,181,738.03 = 3,269,669.09 : x - Step 2: Convert to fraction form
5,204,778.93/7,181,738.03 = 3,269,669.09/x - Step 3: Cross multiply
5,204,778.93x = 7,181,738.03 × 3,269,669.09 - Step 4: Simplify right side
5,204,778.93x = 23,481,906,821,433.97 - Step 5: Solve for x
x = 23,481,906,821,433.97/5,204,778.93 - Step 6: Final answer
x = 4,511,605.03
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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.