Finding the Fourth Proportional to 4,365,914.39, 5,981,324.05 and 4,202,280.90
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Solution
The fourth proportional to 4,365,914.39, 5,981,324.05 and 4,202,280.90 is: 5,757,145.38
Step by Step Solution
- Step 1: Write the proportion equation
4,365,914.39 : 5,981,324.05 = 4,202,280.90 : x - Step 2: Convert to fraction form
4,365,914.39/5,981,324.05 = 4,202,280.90/x - Step 3: Cross multiply
4,365,914.39x = 5,981,324.05 × 4,202,280.90 - Step 4: Simplify right side
4,365,914.39x = 25,135,203,844,274.77 - Step 5: Solve for x
x = 25,135,203,844,274.77/4,365,914.39 - Step 6: Final answer
x = 5,757,145.38
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.