Finding the Fourth Proportional to 2,167,191.92, 2,992,735.19 and 1,622,381.87
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Solution
The fourth proportional to 2,167,191.92, 2,992,735.19 and 1,622,381.87 is: 2,240,391.94
Step by Step Solution
- Step 1: Write the proportion equation
2,167,191.92 : 2,992,735.19 = 1,622,381.87 : x - Step 2: Convert to fraction form
2,167,191.92/2,992,735.19 = 1,622,381.87/x - Step 3: Cross multiply
2,167,191.92x = 2,992,735.19 × 1,622,381.87 - Step 4: Simplify right side
2,167,191.92x = 4,855,359,290,891.42 - Step 5: Solve for x
x = 4,855,359,290,891.42/2,167,191.92 - Step 6: Final answer
x = 2,240,391.94
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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.