Finding the Fourth Proportional to 3,206,382.50, 4,424,855.99 and 1,756,213.18
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Solution
The fourth proportional to 3,206,382.50, 4,424,855.99 and 1,756,213.18 is: 2,423,600.55
Step by Step Solution
- Step 1: Write the proportion equation
3,206,382.50 : 4,424,855.99 = 1,756,213.18 : x - Step 2: Convert to fraction form
3,206,382.50/4,424,855.99 = 1,756,213.18/x - Step 3: Cross multiply
3,206,382.50x = 4,424,855.99 × 1,756,213.18 - Step 4: Simplify right side
3,206,382.50x = 7,770,990,389,396.74 - Step 5: Solve for x
x = 7,770,990,389,396.74/3,206,382.50 - Step 6: Final answer
x = 2,423,600.55
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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.