Finding the Fourth Proportional to 1,517,146.26, 2,275,879.50 and 505,915.80
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Solution
The fourth proportional to 1,517,146.26, 2,275,879.50 and 505,915.80 is: 758,927.09
Step by Step Solution
- Step 1: Write the proportion equation
1,517,146.26 : 2,275,879.50 = 505,915.80 : x - Step 2: Convert to fraction form
1,517,146.26/2,275,879.50 = 505,915.80/x - Step 3: Cross multiply
1,517,146.26x = 2,275,879.50 × 505,915.80 - Step 4: Simplify right side
1,517,146.26x = 1,151,403,397,946.10 - Step 5: Solve for x
x = 1,151,403,397,946.10/1,517,146.26 - Step 6: Final answer
x = 758,927.09
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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.