Finding the Fourth Proportional to 2,323,902.26, 3,206,915.34 and 1,291,406.60
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Solution
The fourth proportional to 2,323,902.26, 3,206,915.34 and 1,291,406.60 is: 1,782,102.33
Step by Step Solution
- Step 1: Write the proportion equation
2,323,902.26 : 3,206,915.34 = 1,291,406.60 : x - Step 2: Convert to fraction form
2,323,902.26/3,206,915.34 = 1,291,406.60/x - Step 3: Cross multiply
2,323,902.26x = 3,206,915.34 × 1,291,406.60 - Step 4: Simplify right side
2,323,902.26x = 4,141,431,635,717.24 - Step 5: Solve for x
x = 4,141,431,635,717.24/2,323,902.26 - Step 6: Final answer
x = 1,782,102.33
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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.