Finding the Fourth Proportional to 3,721,727.53, 5,581,658.17 and 2,722,615.21
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Solution
The fourth proportional to 3,721,727.53, 5,581,658.17 and 2,722,615.21 is: 4,083,240.19
Step by Step Solution
- Step 1: Write the proportion equation
3,721,727.53 : 5,581,658.17 = 2,722,615.21 : x - Step 2: Convert to fraction form
3,721,727.53/5,581,658.17 = 2,722,615.21/x - Step 3: Cross multiply
3,721,727.53x = 5,581,658.17 × 2,722,615.21 - Step 4: Simplify right side
3,721,727.53x = 15,196,707,430,662.77 - Step 5: Solve for x
x = 15,196,707,430,662.77/3,721,727.53 - Step 6: Final answer
x = 4,083,240.19
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.