Finding the Fourth Proportional to 5,079,319.33, 7,007,465.22 and 2,902,694.75
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Solution
The fourth proportional to 5,079,319.33, 7,007,465.22 and 2,902,694.75 is: 4,004,578.41
Step by Step Solution
- Step 1: Write the proportion equation
5,079,319.33 : 7,007,465.22 = 2,902,694.75 : x - Step 2: Convert to fraction form
5,079,319.33/7,007,465.22 = 2,902,694.75/x - Step 3: Cross multiply
5,079,319.33x = 7,007,465.22 × 2,902,694.75 - Step 4: Simplify right side
5,079,319.33x = 20,340,532,504,901.59 - Step 5: Solve for x
x = 20,340,532,504,901.59/5,079,319.33 - Step 6: Final answer
x = 4,004,578.41
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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.