Finding the Fourth Proportional to 3,824,678.26, 5,737,626.42 and 1,265,986.68
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Solution
The fourth proportional to 3,824,678.26, 5,737,626.42 and 1,265,986.68 is: 1,899,181.61
Step by Step Solution
- Step 1: Write the proportion equation
3,824,678.26 : 5,737,626.42 = 1,265,986.68 : x - Step 2: Convert to fraction form
3,824,678.26/5,737,626.42 = 1,265,986.68/x - Step 3: Cross multiply
3,824,678.26x = 5,737,626.42 × 1,265,986.68 - Step 4: Simplify right side
3,824,678.26x = 7,263,758,622,536.09 - Step 5: Solve for x
x = 7,263,758,622,536.09/3,824,678.26 - Step 6: Final answer
x = 1,899,181.61
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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.