Finding the Fourth Proportional to 5,085,524.68, 7,019,865.62 and 3,367,198.78
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Solution
The fourth proportional to 5,085,524.68, 7,019,865.62 and 3,367,198.78 is: 4,647,953.64
Step by Step Solution
- Step 1: Write the proportion equation
5,085,524.68 : 7,019,865.62 = 3,367,198.78 : x - Step 2: Convert to fraction form
5,085,524.68/7,019,865.62 = 3,367,198.78/x - Step 3: Cross multiply
5,085,524.68x = 7,019,865.62 × 3,367,198.78 - Step 4: Simplify right side
5,085,524.68x = 23,637,282,951,427.94 - Step 5: Solve for x
x = 23,637,282,951,427.94/5,085,524.68 - Step 6: Final answer
x = 4,647,953.64
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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.