Finding the Fourth Proportional to 5,351,913.81, 7,385,644.94 and 2,904,524.19
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Solution
The fourth proportional to 5,351,913.81, 7,385,644.94 and 2,904,524.19 is: 4,008,245.49
Step by Step Solution
- Step 1: Write the proportion equation
5,351,913.81 : 7,385,644.94 = 2,904,524.19 : x - Step 2: Convert to fraction form
5,351,913.81/7,385,644.94 = 2,904,524.19/x - Step 3: Cross multiply
5,351,913.81x = 7,385,644.94 × 2,904,524.19 - Step 4: Simplify right side
5,351,913.81x = 21,451,784,372,458.48 - Step 5: Solve for x
x = 21,451,784,372,458.48/5,351,913.81 - Step 6: Final answer
x = 4,008,245.49
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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.