Finding the Fourth Proportional to 3,351,696.24, 5,021,201.16 and 1,981,367.32
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Solution
The fourth proportional to 3,351,696.24, 5,021,201.16 and 1,981,367.32 is: 2,968,301.17
Step by Step Solution
- Step 1: Write the proportion equation
3,351,696.24 : 5,021,201.16 = 1,981,367.32 : x - Step 2: Convert to fraction form
3,351,696.24/5,021,201.16 = 1,981,367.32/x - Step 3: Cross multiply
3,351,696.24x = 5,021,201.16 × 1,981,367.32 - Step 4: Simplify right side
3,351,696.24x = 9,948,843,885,570.09 - Step 5: Solve for x
x = 9,948,843,885,570.09/3,351,696.24 - Step 6: Final answer
x = 2,968,301.17
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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.