Finding the Fourth Proportional to 4,856,677.07, 6,703,091.67 and 2,896,680.78
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Solution
The fourth proportional to 4,856,677.07, 6,703,091.67 and 2,896,680.78 is: 3,997,942.74
Step by Step Solution
- Step 1: Write the proportion equation
4,856,677.07 : 6,703,091.67 = 2,896,680.78 : x - Step 2: Convert to fraction form
4,856,677.07/6,703,091.67 = 2,896,680.78/x - Step 3: Cross multiply
4,856,677.07x = 6,703,091.67 × 2,896,680.78 - Step 4: Simplify right side
4,856,677.07x = 19,416,716,807,067.10 - Step 5: Solve for x
x = 19,416,716,807,067.10/4,856,677.07 - Step 6: Final answer
x = 3,997,942.74
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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.