Finding the Fourth Proportional to 5,381,464.88, 8,076,861.17 and 2,824,485.99
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Solution
The fourth proportional to 5,381,464.88, 8,076,861.17 and 2,824,485.99 is: 4,239,176.83
Step by Step Solution
- Step 1: Write the proportion equation
5,381,464.88 : 8,076,861.17 = 2,824,485.99 : x - Step 2: Convert to fraction form
5,381,464.88/8,076,861.17 = 2,824,485.99/x - Step 3: Cross multiply
5,381,464.88x = 8,076,861.17 × 2,824,485.99 - Step 4: Simplify right side
5,381,464.88x = 22,812,981,217,840.01 - Step 5: Solve for x
x = 22,812,981,217,840.01/5,381,464.88 - Step 6: Final answer
x = 4,239,176.83
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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.