Finding the Fourth Proportional to 5,263,454.57, 7,263,161.92 and 2,971,841.45
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Solution
The fourth proportional to 5,263,454.57, 7,263,161.92 and 2,971,841.45 is: 4,100,912.31
Step by Step Solution
- Step 1: Write the proportion equation
5,263,454.57 : 7,263,161.92 = 2,971,841.45 : x - Step 2: Convert to fraction form
5,263,454.57/7,263,161.92 = 2,971,841.45/x - Step 3: Cross multiply
5,263,454.57x = 7,263,161.92 × 2,971,841.45 - Step 4: Simplify right side
5,263,454.57x = 21,584,965,673,790.29 - Step 5: Solve for x
x = 21,584,965,673,790.29/5,263,454.57 - Step 6: Final answer
x = 4,100,912.31
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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.