Finding the Fourth Proportional to 3,351,696.62, 5,021,201.72 and 1,981,367.70
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Solution
The fourth proportional to 3,351,696.62, 5,021,201.72 and 1,981,367.70 is: 2,968,301.74
Step by Step Solution
- Step 1: Write the proportion equation
3,351,696.62 : 5,021,201.72 = 1,981,367.70 : x - Step 2: Convert to fraction form
3,351,696.62/5,021,201.72 = 1,981,367.70/x - Step 3: Cross multiply
3,351,696.62x = 5,021,201.72 × 1,981,367.70 - Step 4: Simplify right side
3,351,696.62x = 9,948,846,903,192.44 - Step 5: Solve for x
x = 9,948,846,903,192.44/3,351,696.62 - Step 6: Final answer
x = 2,968,301.74
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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.