Finding the Fourth Proportional to 3,398,733.20, 4,690,375.67 and 1,849,920.05
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Solution
The fourth proportional to 3,398,733.20, 4,690,375.67 and 1,849,920.05 is: 2,552,957.09
Step by Step Solution
- Step 1: Write the proportion equation
3,398,733.20 : 4,690,375.67 = 1,849,920.05 : x - Step 2: Convert to fraction form
3,398,733.20/4,690,375.67 = 1,849,920.05/x - Step 3: Cross multiply
3,398,733.20x = 4,690,375.67 × 1,849,920.05 - Step 4: Simplify right side
3,398,733.20x = 8,676,820,010,315.92 - Step 5: Solve for x
x = 8,676,820,010,315.92/3,398,733.20 - Step 6: Final answer
x = 2,552,957.09
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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.