Finding the Fourth Proportional to 4,365,907.86, 5,981,315.18 and 4,202,274.40
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Solution
The fourth proportional to 4,365,907.86, 5,981,315.18 and 4,202,274.40 is: 5,757,136.54
Step by Step Solution
- Step 1: Write the proportion equation
4,365,907.86 : 5,981,315.18 = 4,202,274.40 : x - Step 2: Convert to fraction form
4,365,907.86/5,981,315.18 = 4,202,274.40/x - Step 3: Cross multiply
4,365,907.86x = 5,981,315.18 × 4,202,274.40 - Step 4: Simplify right side
4,365,907.86x = 25,135,127,659,245.39 - Step 5: Solve for x
x = 25,135,127,659,245.39/4,365,907.86 - Step 6: Final answer
x = 5,757,136.54
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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.