Finding the Fourth Proportional to 1,512,205.80, 2,086,938.18 and 833,142.12
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Solution
The fourth proportional to 1,512,205.80, 2,086,938.18 and 833,142.12 is: 1,149,788.01
Step by Step Solution
- Step 1: Write the proportion equation
1,512,205.80 : 2,086,938.18 = 833,142.12 : x - Step 2: Convert to fraction form
1,512,205.80/2,086,938.18 = 833,142.12/x - Step 3: Cross multiply
1,512,205.80x = 2,086,938.18 × 833,142.12 - Step 4: Simplify right side
1,512,205.80x = 1,738,716,099,594.14 - Step 5: Solve for x
x = 1,738,716,099,594.14/1,512,205.80 - Step 6: Final answer
x = 1,149,788.01
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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.