Finding the Fourth Proportional to 6,788,561.26, 9,368,550.84 and 4,211,072.50
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Solution
The fourth proportional to 6,788,561.26, 9,368,550.84 and 4,211,072.50 is: 5,811,488.66
Step by Step Solution
- Step 1: Write the proportion equation
6,788,561.26 : 9,368,550.84 = 4,211,072.50 : x - Step 2: Convert to fraction form
6,788,561.26/9,368,550.84 = 4,211,072.50/x - Step 3: Cross multiply
6,788,561.26x = 9,368,550.84 × 4,211,072.50 - Step 4: Simplify right side
6,788,561.26x = 39,451,646,807,175.90 - Step 5: Solve for x
x = 39,451,646,807,175.90/6,788,561.26 - Step 6: Final answer
x = 5,811,488.66
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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.