Finding the Fourth Proportional to 1,378,580.62, 2,067,969.21 and 367,696.84
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Solution
The fourth proportional to 1,378,580.62, 2,067,969.21 and 367,696.84 is: 551,571.47
Step by Step Solution
- Step 1: Write the proportion equation
1,378,580.62 : 2,067,969.21 = 367,696.84 : x - Step 2: Convert to fraction form
1,378,580.62/2,067,969.21 = 367,696.84/x - Step 3: Cross multiply
1,378,580.62x = 2,067,969.21 × 367,696.84 - Step 4: Simplify right side
1,378,580.62x = 760,385,743,734.30 - Step 5: Solve for x
x = 760,385,743,734.30/1,378,580.62 - Step 6: Final answer
x = 551,571.47
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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.