Finding the Fourth Proportional to 2,171,192.80, 3,256,797.58 and 908,134.42
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Solution
The fourth proportional to 2,171,192.80, 3,256,797.58 and 908,134.42 is: 1,362,205.14
Step by Step Solution
- Step 1: Write the proportion equation
2,171,192.80 : 3,256,797.58 = 908,134.42 : x - Step 2: Convert to fraction form
2,171,192.80/3,256,797.58 = 908,134.42/x - Step 3: Cross multiply
2,171,192.80x = 3,256,797.58 × 908,134.42 - Step 4: Simplify right side
2,171,192.80x = 2,957,609,981,370.70 - Step 5: Solve for x
x = 2,957,609,981,370.70/2,171,192.80 - Step 6: Final answer
x = 1,362,205.14
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1.5x scale
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.