Finding the Fourth Proportional to 3,381,438.51, 5,060,184.66 and 2,102,648.22
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Solution
The fourth proportional to 3,381,438.51, 5,060,184.66 and 2,102,648.22 is: 3,146,527.21
Step by Step Solution
- Step 1: Write the proportion equation
3,381,438.51 : 5,060,184.66 = 2,102,648.22 : x - Step 2: Convert to fraction form
3,381,438.51/5,060,184.66 = 2,102,648.22/x - Step 3: Cross multiply
3,381,438.51x = 5,060,184.66 × 2,102,648.22 - Step 4: Simplify right side
3,381,438.51x = 10,639,788,268,220.31 - Step 5: Solve for x
x = 10,639,788,268,220.31/3,381,438.51 - Step 6: Final answer
x = 3,146,527.21
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.