Finding the Fourth Proportional to 2,085,626, 2,878,163.88 and 1,131,770
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Solution
The fourth proportional to 2,085,626, 2,878,163.88 and 1,131,770 is: 1,561,842.60
Step by Step Solution
- Step 1: Write the proportion equation
2,085,626 : 2,878,163.88 = 1,131,770 : x - Step 2: Convert to fraction form
2,085,626/2,878,163.88 = 1,131,770/x - Step 3: Cross multiply
2,085,626x = 2,878,163.88 × 1,131,770 - Step 4: Simplify right side
2,085,626x = 3,257,419,534,467.60 - Step 5: Solve for x
x = 3,257,419,534,467.60/2,085,626 - Step 6: Final answer
x = 1,561,842.60
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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.