Finding the Fourth Proportional to 4,791,687.76, 6,612,440.43 and 2,726,657.56
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Solution
The fourth proportional to 4,791,687.76, 6,612,440.43 and 2,726,657.56 is: 3,762,736.97
Step by Step Solution
- Step 1: Write the proportion equation
4,791,687.76 : 6,612,440.43 = 2,726,657.56 : x - Step 2: Convert to fraction form
4,791,687.76/6,612,440.43 = 2,726,657.56/x - Step 3: Cross multiply
4,791,687.76x = 6,612,440.43 × 2,726,657.56 - Step 4: Simplify right side
4,791,687.76x = 18,029,860,688,509.15 - Step 5: Solve for x
x = 18,029,860,688,509.15/4,791,687.76 - Step 6: Final answer
x = 3,762,736.97
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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.