Finding the Fourth Proportional to 5,384,249.16, 7,430,287.11 and 2,936,912.82
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Solution
The fourth proportional to 5,384,249.16, 7,430,287.11 and 2,936,912.82 is: 4,052,952.38
Step by Step Solution
- Step 1: Write the proportion equation
5,384,249.16 : 7,430,287.11 = 2,936,912.82 : x - Step 2: Convert to fraction form
5,384,249.16/7,430,287.11 = 2,936,912.82/x - Step 3: Cross multiply
5,384,249.16x = 7,430,287.11 × 2,936,912.82 - Step 4: Simplify right side
5,384,249.16x = 21,822,105,469,639.75 - Step 5: Solve for x
x = 21,822,105,469,639.75/5,384,249.16 - Step 6: Final answer
x = 4,052,952.38
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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.