Finding the Fourth Proportional to 3,806,639.67, 5,711,453.97 and 1,675,228.66
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Solution
The fourth proportional to 3,806,639.67, 5,711,453.97 and 1,675,228.66 is: 2,513,500.68
Step by Step Solution
- Step 1: Write the proportion equation
3,806,639.67 : 5,711,453.97 = 1,675,228.66 : x - Step 2: Convert to fraction form
3,806,639.67/5,711,453.97 = 1,675,228.66/x - Step 3: Cross multiply
3,806,639.67x = 5,711,453.97 × 1,675,228.66 - Step 4: Simplify right side
3,806,639.67x = 9,567,991,380,814.78 - Step 5: Solve for x
x = 9,567,991,380,814.78/3,806,639.67 - Step 6: Final answer
x = 2,513,500.68
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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.