Finding the Fourth Proportional to 3,723,909.66, 5,138,677.26 and 2,092,188.96
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Solution
The fourth proportional to 3,723,909.66, 5,138,677.26 and 2,092,188.96 is: 2,887,042.06
Step by Step Solution
- Step 1: Write the proportion equation
3,723,909.66 : 5,138,677.26 = 2,092,188.96 : x - Step 2: Convert to fraction form
3,723,909.66/5,138,677.26 = 2,092,188.96/x - Step 3: Cross multiply
3,723,909.66x = 5,138,677.26 × 2,092,188.96 - Step 4: Simplify right side
3,723,909.66x = 10,751,083,832,375.05 - Step 5: Solve for x
x = 10,751,083,832,375.05/3,723,909.66 - Step 6: Final answer
x = 2,887,042.06
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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.