Finding the Fourth Proportional to 5,543,516.16, 8,315,294.67 and 1,705,311.99
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Solution
The fourth proportional to 5,543,516.16, 8,315,294.67 and 1,705,311.99 is: 2,557,974.27
Step by Step Solution
- Step 1: Write the proportion equation
5,543,516.16 : 8,315,294.67 = 1,705,311.99 : x - Step 2: Convert to fraction form
5,543,516.16/8,315,294.67 = 1,705,311.99/x - Step 3: Cross multiply
5,543,516.16x = 8,315,294.67 × 1,705,311.99 - Step 4: Simplify right side
5,543,516.16x = 14,180,171,701,134.09 - Step 5: Solve for x
x = 14,180,171,701,134.09/5,543,516.16 - Step 6: Final answer
x = 2,557,974.27
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.