Finding the Fourth Proportional to 2,084,048.20, 3,121,406.70 and 1,609,193.80
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Solution
The fourth proportional to 2,084,048.20, 3,121,406.70 and 1,609,193.80 is: 2,410,188.17
Step by Step Solution
- Step 1: Write the proportion equation
2,084,048.20 : 3,121,406.70 = 1,609,193.80 : x - Step 2: Convert to fraction form
2,084,048.20/3,121,406.70 = 1,609,193.80/x - Step 3: Cross multiply
2,084,048.20x = 3,121,406.70 × 1,609,193.80 - Step 4: Simplify right side
2,084,048.20x = 5,022,948,308,918.46 - Step 5: Solve for x
x = 5,022,948,308,918.46/2,084,048.20 - Step 6: Final answer
x = 2,410,188.17
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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.