Finding the Fourth Proportional to 3,384,766.73, 5,072,376.05 and 1,869,131.99
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Solution
The fourth proportional to 3,384,766.73, 5,072,376.05 and 1,869,131.99 is: 2,801,061.66
Step by Step Solution
- Step 1: Write the proportion equation
3,384,766.73 : 5,072,376.05 = 1,869,131.99 : x - Step 2: Convert to fraction form
3,384,766.73/5,072,376.05 = 1,869,131.99/x - Step 3: Cross multiply
3,384,766.73x = 5,072,376.05 × 1,869,131.99 - Step 4: Simplify right side
3,384,766.73x = 9,480,940,305,657.30 - Step 5: Solve for x
x = 9,480,940,305,657.30/3,384,766.73 - Step 6: Final answer
x = 2,801,061.66
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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.