Finding the Fourth Proportional to 3,690,863.79, 5,093,384.97 and 2,059,174.08
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Solution
The fourth proportional to 3,690,863.79, 5,093,384.97 and 2,059,174.08 is: 2,841,656.29
Step by Step Solution
- Step 1: Write the proportion equation
3,690,863.79 : 5,093,384.97 = 2,059,174.08 : x - Step 2: Convert to fraction form
3,690,863.79/5,093,384.97 = 2,059,174.08/x - Step 3: Cross multiply
3,690,863.79x = 5,093,384.97 × 2,059,174.08 - Step 4: Simplify right side
3,690,863.79x = 10,488,166,309,685.58 - Step 5: Solve for x
x = 10,488,166,309,685.58/3,690,863.79 - Step 6: Final answer
x = 2,841,656.29
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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.