Finding the Fourth Proportional to 5,351,981.24, 7,385,737.74 and 2,904,591.80
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Solution
The fourth proportional to 5,351,981.24, 7,385,737.74 and 2,904,591.80 is: 4,008,338.65
Step by Step Solution
- Step 1: Write the proportion equation
5,351,981.24 : 7,385,737.74 = 2,904,591.80 : x - Step 2: Convert to fraction form
5,351,981.24/7,385,737.74 = 2,904,591.80/x - Step 3: Cross multiply
5,351,981.24x = 7,385,737.74 × 2,904,591.80 - Step 4: Simplify right side
5,351,981.24x = 21,452,553,276,554.53 - Step 5: Solve for x
x = 21,452,553,276,554.53/5,351,981.24 - Step 6: Final answer
x = 4,008,338.65
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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.