Finding the Fourth Proportional to 5,351,718.54, 7,385,425.66 and 2,904,350.73
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Solution
The fourth proportional to 5,351,718.54, 7,385,425.66 and 2,904,350.73 is: 4,008,033.35
Step by Step Solution
- Step 1: Write the proportion equation
5,351,718.54 : 7,385,425.66 = 2,904,350.73 : x - Step 2: Convert to fraction form
5,351,718.54/7,385,425.66 = 2,904,350.73/x - Step 3: Cross multiply
5,351,718.54x = 7,385,425.66 × 2,904,350.73 - Step 4: Simplify right side
5,351,718.54x = 21,449,866,406,981.73 - Step 5: Solve for x
x = 21,449,866,406,981.73/5,351,718.54 - Step 6: Final answer
x = 4,008,033.35
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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.