Finding the Fourth Proportional to 4,063,148.20, 5,603,512.70 and 2,687,896.99
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Solution
The fourth proportional to 4,063,148.20, 5,603,512.70 and 2,687,896.99 is: 3,706,895.29
Step by Step Solution
- Step 1: Write the proportion equation
4,063,148.20 : 5,603,512.70 = 2,687,896.99 : x - Step 2: Convert to fraction form
4,063,148.20/5,603,512.70 = 2,687,896.99/x - Step 3: Cross multiply
4,063,148.20x = 5,603,512.70 × 2,687,896.99 - Step 4: Simplify right side
4,063,148.20x = 15,061,664,919,756.78 - Step 5: Solve for x
x = 15,061,664,919,756.78/4,063,148.20 - Step 6: Final answer
x = 3,706,895.29
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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.