Finding the Fourth Proportional to 5,351,535.11, 7,385,122.98 and 2,904,146.03
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Solution
The fourth proportional to 5,351,535.11, 7,385,122.98 and 2,904,146.03 is: 4,007,723.98
Step by Step Solution
- Step 1: Write the proportion equation
5,351,535.11 : 7,385,122.98 = 2,904,146.03 : x - Step 2: Convert to fraction form
5,351,535.11/7,385,122.98 = 2,904,146.03/x - Step 3: Cross multiply
5,351,535.11x = 7,385,122.98 × 2,904,146.03 - Step 4: Simplify right side
5,351,535.11x = 21,447,475,583,428.77 - Step 5: Solve for x
x = 21,447,475,583,428.77/5,351,535.11 - Step 6: Final answer
x = 4,007,723.98
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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.