Finding the Fourth Proportional to 3,350,672.28, 4,623,905.70 and 1,822,785.48
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Solution
The fourth proportional to 3,350,672.28, 4,623,905.70 and 1,822,785.48 is: 2,515,431.97
Step by Step Solution
- Step 1: Write the proportion equation
3,350,672.28 : 4,623,905.70 = 1,822,785.48 : x - Step 2: Convert to fraction form
3,350,672.28/4,623,905.70 = 1,822,785.48/x - Step 3: Cross multiply
3,350,672.28x = 4,623,905.70 × 1,822,785.48 - Step 4: Simplify right side
3,350,672.28x = 8,428,388,170,849.24 - Step 5: Solve for x
x = 8,428,388,170,849.24/3,350,672.28 - Step 6: Final answer
x = 2,515,431.97
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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.