Finding the Fourth Proportional to 3,647,517.08, 5,034,198.63 and 2,120,509.94
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Solution
The fourth proportional to 3,647,517.08, 5,034,198.63 and 2,120,509.94 is: 2,926,667.10
Step by Step Solution
- Step 1: Write the proportion equation
3,647,517.08 : 5,034,198.63 = 2,120,509.94 : x - Step 2: Convert to fraction form
3,647,517.08/5,034,198.63 = 2,120,509.94/x - Step 3: Cross multiply
3,647,517.08x = 5,034,198.63 × 2,120,509.94 - Step 4: Simplify right side
3,647,517.08x = 10,675,068,234,849.38 - Step 5: Solve for x
x = 10,675,068,234,849.38/3,647,517.08 - Step 6: Final answer
x = 2,926,667.10
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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.