Finding the Fourth Proportional to 5,351,715.69, 7,385,421.73 and 2,904,347.88
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Solution
The fourth proportional to 5,351,715.69, 7,385,421.73 and 2,904,347.88 is: 4,008,029.42
Step by Step Solution
- Step 1: Write the proportion equation
5,351,715.69 : 7,385,421.73 = 2,904,347.88 : x - Step 2: Convert to fraction form
5,351,715.69/7,385,421.73 = 2,904,347.88/x - Step 3: Cross multiply
5,351,715.69x = 7,385,421.73 × 2,904,347.88 - Step 4: Simplify right side
5,351,715.69x = 21,449,833,907,504.32 - Step 5: Solve for x
x = 21,449,833,907,504.32/5,351,715.69 - Step 6: Final answer
x = 4,008,029.42
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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.