Finding the Fourth Proportional to 5,379,403.88, 8,069,065.62 and 1,541,229.57
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Solution
The fourth proportional to 5,379,403.88, 8,069,065.62 and 1,541,229.57 is: 2,311,832.84
Step by Step Solution
- Step 1: Write the proportion equation
5,379,403.88 : 8,069,065.62 = 1,541,229.57 : x - Step 2: Convert to fraction form
5,379,403.88/8,069,065.62 = 1,541,229.57/x - Step 3: Cross multiply
5,379,403.88x = 8,069,065.62 × 1,541,229.57 - Step 4: Simplify right side
5,379,403.88x = 12,436,282,535,814.38 - Step 5: Solve for x
x = 12,436,282,535,814.38/5,379,403.88 - Step 6: Final answer
x = 2,311,832.84
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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.