Finding the Fourth Proportional to 1,569,758.20, 2,351,138.10 and 1,212,839.80
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Solution
The fourth proportional to 1,569,758.20, 2,351,138.10 and 1,212,839.80 is: 1,816,556.12
Step by Step Solution
- Step 1: Write the proportion equation
1,569,758.20 : 2,351,138.10 = 1,212,839.80 : x - Step 2: Convert to fraction form
1,569,758.20/2,351,138.10 = 1,212,839.80/x - Step 3: Cross multiply
1,569,758.20x = 2,351,138.10 × 1,212,839.80 - Step 4: Simplify right side
1,569,758.20x = 2,851,553,862,976.38 - Step 5: Solve for x
x = 2,851,553,862,976.38/1,569,758.20 - Step 6: Final answer
x = 1,816,556.12
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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.