Finding the Fourth Proportional to 5,327,247.36, 7,351,629.60 and 2,912,799.36
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Solution
The fourth proportional to 5,327,247.36, 7,351,629.60 and 2,912,799.36 is: 4,019,678.56
Step by Step Solution
- Step 1: Write the proportion equation
5,327,247.36 : 7,351,629.60 = 2,912,799.36 : x - Step 2: Convert to fraction form
5,327,247.36/7,351,629.60 = 2,912,799.36/x - Step 3: Cross multiply
5,327,247.36x = 7,351,629.60 × 2,912,799.36 - Step 4: Simplify right side
5,327,247.36x = 21,413,821,993,837.05 - Step 5: Solve for x
x = 21,413,821,993,837.05/5,327,247.36 - Step 6: Final answer
x = 4,019,678.56
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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.