Finding the Fourth Proportional to 1,384,447.20, 2,072,523.60 and 823,192.80
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Solution
The fourth proportional to 1,384,447.20, 2,072,523.60 and 823,192.80 is: 1,232,323.27
Step by Step Solution
- Step 1: Write the proportion equation
1,384,447.20 : 2,072,523.60 = 823,192.80 : x - Step 2: Convert to fraction form
1,384,447.20/2,072,523.60 = 823,192.80/x - Step 3: Cross multiply
1,384,447.20x = 2,072,523.60 × 823,192.80 - Step 4: Simplify right side
1,384,447.20x = 1,706,086,505,350.08 - Step 5: Solve for x
x = 1,706,086,505,350.08/1,384,447.20 - Step 6: Final answer
x = 1,232,323.27
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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.