Finding the Fourth Proportional to 2,995,410.20, 4,493,115.30 and 2,696,811.80
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Solution
The fourth proportional to 2,995,410.20, 4,493,115.30 and 2,696,811.80 is: 4,045,217.70
Step by Step Solution
- Step 1: Write the proportion equation
2,995,410.20 : 4,493,115.30 = 2,696,811.80 : x - Step 2: Convert to fraction form
2,995,410.20/4,493,115.30 = 2,696,811.80/x - Step 3: Cross multiply
2,995,410.20x = 4,493,115.30 × 2,696,811.80 - Step 4: Simplify right side
2,995,410.20x = 12,117,086,359,800.54 - Step 5: Solve for x
x = 12,117,086,359,800.54/2,995,410.20 - Step 6: Final answer
x = 4,045,217.70
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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.