Finding the Fourth Proportional to 5,183,713.36, 7,153,527.52 and 2,891,874.08
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Solution
The fourth proportional to 5,183,713.36, 7,153,527.52 and 2,891,874.08 is: 3,990,787.95
Step by Step Solution
- Step 1: Write the proportion equation
5,183,713.36 : 7,153,527.52 = 2,891,874.08 : x - Step 2: Convert to fraction form
5,183,713.36/7,153,527.52 = 2,891,874.08/x - Step 3: Cross multiply
5,183,713.36x = 7,153,527.52 × 2,891,874.08 - Step 4: Simplify right side
5,183,713.36x = 20,687,100,815,654.68 - Step 5: Solve for x
x = 20,687,100,815,654.68/5,183,713.36 - Step 6: Final answer
x = 3,990,787.95
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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.