Finding the Fourth Proportional to 4,491,520.30, 6,738,264.60 and 2,218,133.80
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Solution
The fourth proportional to 4,491,520.30, 6,738,264.60 and 2,218,133.80 is: 3,327,686.72
Step by Step Solution
- Step 1: Write the proportion equation
4,491,520.30 : 6,738,264.60 = 2,218,133.80 : x - Step 2: Convert to fraction form
4,491,520.30/6,738,264.60 = 2,218,133.80/x - Step 3: Cross multiply
4,491,520.30x = 6,738,264.60 × 2,218,133.80 - Step 4: Simplify right side
4,491,520.30x = 14,946,372,462,603.48 - Step 5: Solve for x
x = 14,946,372,462,603.48/4,491,520.30 - Step 6: Final answer
x = 3,327,686.72
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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.