Finding the Fourth Proportional to 3,821,157.60, 5,273,197.26 and 2,102,241.18
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Solution
The fourth proportional to 3,821,157.60, 5,273,197.26 and 2,102,241.18 is: 2,901,092.70
Step by Step Solution
- Step 1: Write the proportion equation
3,821,157.60 : 5,273,197.26 = 2,102,241.18 : x - Step 2: Convert to fraction form
3,821,157.60/5,273,197.26 = 2,102,241.18/x - Step 3: Cross multiply
3,821,157.60x = 5,273,197.26 × 2,102,241.18 - Step 4: Simplify right side
3,821,157.60x = 11,085,532,430,235.17 - Step 5: Solve for x
x = 11,085,532,430,235.17/3,821,157.60 - Step 6: Final answer
x = 2,901,092.70
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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.