Finding the Fourth Proportional to 5,080,450.79, 7,016,840.87 and 3,345,874.13
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Solution
The fourth proportional to 5,080,450.79, 7,016,840.87 and 3,345,874.13 is: 4,621,138.42
Step by Step Solution
- Step 1: Write the proportion equation
5,080,450.79 : 7,016,840.87 = 3,345,874.13 : x - Step 2: Convert to fraction form
5,080,450.79/7,016,840.87 = 3,345,874.13/x - Step 3: Cross multiply
5,080,450.79x = 7,016,840.87 × 3,345,874.13 - Step 4: Simplify right side
5,080,450.79x = 23,477,466,289,446.12 - Step 5: Solve for x
x = 23,477,466,289,446.12/5,080,450.79 - Step 6: Final answer
x = 4,621,138.42
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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.