Finding the Fourth Proportional to 3,149,230.86, 4,721,033.21 and 1,229,695.49
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Solution
The fourth proportional to 3,149,230.86, 4,721,033.21 and 1,229,695.49 is: 1,843,444.79
Step by Step Solution
- Step 1: Write the proportion equation
3,149,230.86 : 4,721,033.21 = 1,229,695.49 : x - Step 2: Convert to fraction form
3,149,230.86/4,721,033.21 = 1,229,695.49/x - Step 3: Cross multiply
3,149,230.86x = 4,721,033.21 × 1,229,695.49 - Step 4: Simplify right side
3,149,230.86x = 5,805,433,216,723.58 - Step 5: Solve for x
x = 5,805,433,216,723.58/3,149,230.86 - Step 6: Final answer
x = 1,843,444.79
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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.