Finding the Fourth Proportional to 1,942,249, 2,680,272.84 and 1,082,861.68
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Solution
The fourth proportional to 1,942,249, 2,680,272.84 and 1,082,861.68 is: 1,494,331.96
Step by Step Solution
- Step 1: Write the proportion equation
1,942,249 : 2,680,272.84 = 1,082,861.68 : x - Step 2: Convert to fraction form
1,942,249/2,680,272.84 = 1,082,861.68/x - Step 3: Cross multiply
1,942,249x = 2,680,272.84 × 1,082,861.68 - Step 4: Simplify right side
1,942,249x = 2,902,364,750,380.77 - Step 5: Solve for x
x = 2,902,364,750,380.77/1,942,249 - Step 6: Final answer
x = 1,494,331.96
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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.