Finding the Fourth Proportional to 2,202,149.40, 3,039,086.70 and 1,235,586.12
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Solution
The fourth proportional to 2,202,149.40, 3,039,086.70 and 1,235,586.12 is: 1,705,176.47
Step by Step Solution
- Step 1: Write the proportion equation
2,202,149.40 : 3,039,086.70 = 1,235,586.12 : x - Step 2: Convert to fraction form
2,202,149.40/3,039,086.70 = 1,235,586.12/x - Step 3: Cross multiply
2,202,149.40x = 3,039,086.70 × 1,235,586.12 - Step 4: Simplify right side
2,202,149.40x = 3,755,053,343,996.60 - Step 5: Solve for x
x = 3,755,053,343,996.60/2,202,149.40 - Step 6: Final answer
x = 1,705,176.47
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.