Finding the Fourth Proportional to 1,524,122.09, 2,102,324.49 and 979,321.25
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Solution
The fourth proportional to 1,524,122.09, 2,102,324.49 and 979,321.25 is: 1,350,843.91
Step by Step Solution
- Step 1: Write the proportion equation
1,524,122.09 : 2,102,324.49 = 979,321.25 : x - Step 2: Convert to fraction form
1,524,122.09/2,102,324.49 = 979,321.25/x - Step 3: Cross multiply
1,524,122.09x = 2,102,324.49 × 979,321.25 - Step 4: Simplify right side
1,524,122.09x = 2,058,851,047,452.41 - Step 5: Solve for x
x = 2,058,851,047,452.41/1,524,122.09 - Step 6: Final answer
x = 1,350,843.91
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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.