Finding the Fourth Proportional to 5,091,193.20, 7,630,884.90 and 2,056,566.68
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Solution
The fourth proportional to 5,091,193.20, 7,630,884.90 and 2,056,566.68 is: 3,082,464.75
Step by Step Solution
- Step 1: Write the proportion equation
5,091,193.20 : 7,630,884.90 = 2,056,566.68 : x - Step 2: Convert to fraction form
5,091,193.20/7,630,884.90 = 2,056,566.68/x - Step 3: Cross multiply
5,091,193.20x = 7,630,884.90 × 2,056,566.68 - Step 4: Simplify right side
5,091,193.20x = 15,693,423,586,100.71 - Step 5: Solve for x
x = 15,693,423,586,100.71/5,091,193.20 - Step 6: Final answer
x = 3,082,464.75
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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.