Finding the Fourth Proportional to 2,057,902.11, 3,086,854.38 and 859,170.96
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Solution
The fourth proportional to 2,057,902.11, 3,086,854.38 and 859,170.96 is: 1,288,756.95
Step by Step Solution
- Step 1: Write the proportion equation
2,057,902.11 : 3,086,854.38 = 859,170.96 : x - Step 2: Convert to fraction form
2,057,902.11/3,086,854.38 = 859,170.96/x - Step 3: Cross multiply
2,057,902.11x = 3,086,854.38 × 859,170.96 - Step 4: Simplify right side
2,057,902.11x = 2,652,135,641,044.80 - Step 5: Solve for x
x = 2,652,135,641,044.80/2,057,902.11 - Step 6: Final answer
x = 1,288,756.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.