Finding the Fourth Proportional to 5,079,639.15, 7,009,906.79 and 2,904,227.97
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Solution
The fourth proportional to 5,079,639.15, 7,009,906.79 and 2,904,227.97 is: 4,007,837.32
Step by Step Solution
- Step 1: Write the proportion equation
5,079,639.15 : 7,009,906.79 = 2,904,227.97 : x - Step 2: Convert to fraction form
5,079,639.15/7,009,906.79 = 2,904,227.97/x - Step 3: Cross multiply
5,079,639.15x = 7,009,906.79 × 2,904,227.97 - Step 4: Simplify right side
5,079,639.15x = 20,358,367,366,610.92 - Step 5: Solve for x
x = 20,358,367,366,610.92/5,079,639.15 - Step 6: Final answer
x = 4,007,837.32
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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.