Finding the Fourth Proportional to 2,887,984.26, 4,331,918.07 and 994,683.78
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Solution
The fourth proportional to 2,887,984.26, 4,331,918.07 and 994,683.78 is: 1,492,005.58
Step by Step Solution
- Step 1: Write the proportion equation
2,887,984.26 : 4,331,918.07 = 994,683.78 : x - Step 2: Convert to fraction form
2,887,984.26/4,331,918.07 = 994,683.78/x - Step 3: Cross multiply
2,887,984.26x = 4,331,918.07 × 994,683.78 - Step 4: Simplify right side
2,887,984.26x = 4,308,888,640,517.91 - Step 5: Solve for x
x = 4,308,888,640,517.91/2,887,984.26 - Step 6: Final answer
x = 1,492,005.58
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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.