Finding the Fourth Proportional to 2,171,254.99, 2,996,379.92 and 1,204,353.79
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Solution
The fourth proportional to 2,171,254.99, 2,996,379.92 and 1,204,353.79 is: 1,662,034.87
Step by Step Solution
- Step 1: Write the proportion equation
2,171,254.99 : 2,996,379.92 = 1,204,353.79 : x - Step 2: Convert to fraction form
2,171,254.99/2,996,379.92 = 1,204,353.79/x - Step 3: Cross multiply
2,171,254.99x = 2,996,379.92 × 1,204,353.79 - Step 4: Simplify right side
2,171,254.99x = 3,608,701,506,910.13 - Step 5: Solve for x
x = 3,608,701,506,910.13/2,171,254.99 - Step 6: Final answer
x = 1,662,034.87
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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.