Finding the Fourth Proportional to 2,726,640.91, 3,762,790.77 and 1,502,993.62
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Solution
The fourth proportional to 2,726,640.91, 3,762,790.77 and 1,502,993.62 is: 2,074,145.70
Step by Step Solution
- Step 1: Write the proportion equation
2,726,640.91 : 3,762,790.77 = 1,502,993.62 : x - Step 2: Convert to fraction form
2,726,640.91/3,762,790.77 = 1,502,993.62/x - Step 3: Cross multiply
2,726,640.91x = 3,762,790.77 × 1,502,993.62 - Step 4: Simplify right side
2,726,640.91x = 5,655,450,520,704.89 - Step 5: Solve for x
x = 5,655,450,520,704.89/2,726,640.91 - Step 6: Final answer
x = 2,074,145.70
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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.