Finding the Fourth Proportional to 3,309,860.91, 4,972,265.10 and 1,962,906.99
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Solution
The fourth proportional to 3,309,860.91, 4,972,265.10 and 1,962,906.99 is: 2,948,792.77
Step by Step Solution
- Step 1: Write the proportion equation
3,309,860.91 : 4,972,265.10 = 1,962,906.99 : x - Step 2: Convert to fraction form
3,309,860.91/4,972,265.10 = 1,962,906.99/x - Step 3: Cross multiply
3,309,860.91x = 4,972,265.10 × 1,962,906.99 - Step 4: Simplify right side
3,309,860.91x = 9,760,093,920,923.05 - Step 5: Solve for x
x = 9,760,093,920,923.05/3,309,860.91 - Step 6: Final answer
x = 2,948,792.77
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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.