Finding the Fourth Proportional to 2,701,502.92, 3,728,166.12 and 1,540,120.92
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Solution
The fourth proportional to 2,701,502.92, 3,728,166.12 and 1,540,120.92 is: 2,125,419.37
Step by Step Solution
- Step 1: Write the proportion equation
2,701,502.92 : 3,728,166.12 = 1,540,120.92 : x - Step 2: Convert to fraction form
2,701,502.92/3,728,166.12 = 1,540,120.92/x - Step 3: Cross multiply
2,701,502.92x = 3,728,166.12 × 1,540,120.92 - Step 4: Simplify right side
2,701,502.92x = 5,741,826,634,647.23 - Step 5: Solve for x
x = 5,741,826,634,647.23/2,701,502.92 - Step 6: Final answer
x = 2,125,419.37
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1.5x scale
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.