Finding the Fourth Proportional to 2,218,535.80, 3,327,803.70 and 2,131,444.60
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Solution
The fourth proportional to 2,218,535.80, 3,327,803.70 and 2,131,444.60 is: 3,197,166.90
Step by Step Solution
- Step 1: Write the proportion equation
2,218,535.80 : 3,327,803.70 = 2,131,444.60 : x - Step 2: Convert to fraction form
2,218,535.80/3,327,803.70 = 2,131,444.60/x - Step 3: Cross multiply
2,218,535.80x = 3,327,803.70 × 2,131,444.60 - Step 4: Simplify right side
2,218,535.80x = 7,093,029,226,225.02 - Step 5: Solve for x
x = 7,093,029,226,225.02/2,218,535.80 - Step 6: Final answer
x = 3,197,166.90
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Similar ratio
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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.