Finding the Fourth Proportional to 2,754,514.80, 4,131,772.20 and 1,904,209.20
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Solution
The fourth proportional to 2,754,514.80, 4,131,772.20 and 1,904,209.20 is: 2,856,313.80
Step by Step Solution
- Step 1: Write the proportion equation
2,754,514.80 : 4,131,772.20 = 1,904,209.20 : x - Step 2: Convert to fraction form
2,754,514.80/4,131,772.20 = 1,904,209.20/x - Step 3: Cross multiply
2,754,514.80x = 4,131,772.20 × 1,904,209.20 - Step 4: Simplify right side
2,754,514.80x = 7,867,758,635,544.24 - Step 5: Solve for x
x = 7,867,758,635,544.24/2,754,514.80 - Step 6: Final answer
x = 2,856,313.80
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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.