Finding the Fourth Proportional to 5,519,120.40, 7,616,375.40 and 3,104,672.40
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Solution
The fourth proportional to 5,519,120.40, 7,616,375.40 and 3,104,672.40 is: 4,284,441.86
Step by Step Solution
- Step 1: Write the proportion equation
5,519,120.40 : 7,616,375.40 = 3,104,672.40 : x - Step 2: Convert to fraction form
5,519,120.40/7,616,375.40 = 3,104,672.40/x - Step 3: Cross multiply
5,519,120.40x = 7,616,375.40 × 3,104,672.40 - Step 4: Simplify right side
5,519,120.40x = 23,646,350,492,418.96 - Step 5: Solve for x
x = 23,646,350,492,418.96/5,519,120.40 - Step 6: Final answer
x = 4,284,441.86
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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.