Finding the Fourth Proportional to 3,811,549.16, 5,259,948.12 and 2,092,781
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Solution
The fourth proportional to 3,811,549.16, 5,259,948.12 and 2,092,781 is: 2,888,043.42
Step by Step Solution
- Step 1: Write the proportion equation
3,811,549.16 : 5,259,948.12 = 2,092,781 : x - Step 2: Convert to fraction form
3,811,549.16/5,259,948.12 = 2,092,781/x - Step 3: Cross multiply
3,811,549.16x = 5,259,948.12 × 2,092,781 - Step 4: Simplify right side
3,811,549.16x = 11,007,919,486,521.72 - Step 5: Solve for x
x = 11,007,919,486,521.72/3,811,549.16 - Step 6: Final answer
x = 2,888,043.42
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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.