Finding the Fourth Proportional to 5,776,556.68, 7,972,183.16 and 3,198,237.48
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Solution
The fourth proportional to 5,776,556.68, 7,972,183.16 and 3,198,237.48 is: 4,413,863.90
Step by Step Solution
- Step 1: Write the proportion equation
5,776,556.68 : 7,972,183.16 = 3,198,237.48 : x - Step 2: Convert to fraction form
5,776,556.68/7,972,183.16 = 3,198,237.48/x - Step 3: Cross multiply
5,776,556.68x = 7,972,183.16 × 3,198,237.48 - Step 4: Simplify right side
5,776,556.68x = 25,496,934,979,736.84 - Step 5: Solve for x
x = 25,496,934,979,736.84/5,776,556.68 - Step 6: Final answer
x = 4,413,863.90
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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.