Finding the Fourth Proportional to 2,690,174.30, 4,027,265.49 and 2,686,631.36
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Solution
The fourth proportional to 2,690,174.30, 4,027,265.49 and 2,686,631.36 is: 4,021,961.61
Step by Step Solution
- Step 1: Write the proportion equation
2,690,174.30 : 4,027,265.49 = 2,686,631.36 : x - Step 2: Convert to fraction form
2,690,174.30/4,027,265.49 = 2,686,631.36/x - Step 3: Cross multiply
2,690,174.30x = 4,027,265.49 × 2,686,631.36 - Step 4: Simplify right side
2,690,174.30x = 10,819,777,760,479.77 - Step 5: Solve for x
x = 10,819,777,760,479.77/2,690,174.30 - Step 6: Final answer
x = 4,021,961.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.