Finding the Fourth Proportional to 5,515,891.82, 8,266,669.70 and 3,086,944.02
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Solution
The fourth proportional to 5,515,891.82, 8,266,669.70 and 3,086,944.02 is: 4,626,404.47
Step by Step Solution
- Step 1: Write the proportion equation
5,515,891.82 : 8,266,669.70 = 3,086,944.02 : x - Step 2: Convert to fraction form
5,515,891.82/8,266,669.70 = 3,086,944.02/x - Step 3: Cross multiply
5,515,891.82x = 8,266,669.70 × 3,086,944.02 - Step 4: Simplify right side
5,515,891.82x = 25,518,746,595,730.20 - Step 5: Solve for x
x = 25,518,746,595,730.20/5,515,891.82 - Step 6: Final answer
x = 4,626,404.47
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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.