Finding the Fourth Proportional to 2,847,942.32, 3,930,145.99 and 1,541,193.35
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Solution
The fourth proportional to 2,847,942.32, 3,930,145.99 and 1,541,193.35 is: 2,126,839.02
Step by Step Solution
- Step 1: Write the proportion equation
2,847,942.32 : 3,930,145.99 = 1,541,193.35 : x - Step 2: Convert to fraction form
2,847,942.32/3,930,145.99 = 1,541,193.35/x - Step 3: Cross multiply
2,847,942.32x = 3,930,145.99 × 1,541,193.35 - Step 4: Simplify right side
2,847,942.32x = 6,057,114,840,813.45 - Step 5: Solve for x
x = 6,057,114,840,813.45/2,847,942.32 - Step 6: Final answer
x = 2,126,839.02
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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.