Finding the Fourth Proportional to 5,351,923.62, 7,385,658.45 and 2,904,534.03
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Solution
The fourth proportional to 5,351,923.62, 7,385,658.45 and 2,904,534.03 is: 4,008,259.05
Step by Step Solution
- Step 1: Write the proportion equation
5,351,923.62 : 7,385,658.45 = 2,904,534.03 : x - Step 2: Convert to fraction form
5,351,923.62/7,385,658.45 = 2,904,534.03/x - Step 3: Cross multiply
5,351,923.62x = 7,385,658.45 × 2,904,534.03 - Step 4: Simplify right side
5,351,923.62x = 21,451,896,301,982.05 - Step 5: Solve for x
x = 21,451,896,301,982.05/5,351,923.62 - Step 6: Final answer
x = 4,008,259.05
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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.