Finding the Fourth Proportional to 3,350,236.68, 4,624,147.98 and 1,900,780.56
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Solution
The fourth proportional to 3,350,236.68, 4,624,147.98 and 1,900,780.56 is: 2,623,543.18
Step by Step Solution
- Step 1: Write the proportion equation
3,350,236.68 : 4,624,147.98 = 1,900,780.56 : x - Step 2: Convert to fraction form
3,350,236.68/4,624,147.98 = 1,900,780.56/x - Step 3: Cross multiply
3,350,236.68x = 4,624,147.98 × 1,900,780.56 - Step 4: Simplify right side
3,350,236.68x = 8,789,490,586,947.27 - Step 5: Solve for x
x = 8,789,490,586,947.27/3,350,236.68 - Step 6: Final answer
x = 2,623,543.18
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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.