Finding the Fourth Proportional to 5,821,716.28, 8,691,640.60 and 4,448,302.12
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Solution
The fourth proportional to 5,821,716.28, 8,691,640.60 and 4,448,302.12 is: 6,641,176.15
Step by Step Solution
- Step 1: Write the proportion equation
5,821,716.28 : 8,691,640.60 = 4,448,302.12 : x - Step 2: Convert to fraction form
5,821,716.28/8,691,640.60 = 4,448,302.12/x - Step 3: Cross multiply
5,821,716.28x = 8,691,640.60 × 4,448,302.12 - Step 4: Simplify right side
5,821,716.28x = 38,663,043,307,258.07 - Step 5: Solve for x
x = 38,663,043,307,258.07/5,821,716.28 - Step 6: Final answer
x = 6,641,176.15
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.