Finding the Fourth Proportional to 2,201,072.13, 3,036,192.66 and 1,383,982.20
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Solution
The fourth proportional to 2,201,072.13, 3,036,192.66 and 1,383,982.20 is: 1,909,086.28
Step by Step Solution
- Step 1: Write the proportion equation
2,201,072.13 : 3,036,192.66 = 1,383,982.20 : x - Step 2: Convert to fraction form
2,201,072.13/3,036,192.66 = 1,383,982.20/x - Step 3: Cross multiply
2,201,072.13x = 3,036,192.66 × 1,383,982.20 - Step 4: Simplify right side
2,201,072.13x = 4,202,036,597,210.65 - Step 5: Solve for x
x = 4,202,036,597,210.65/2,201,072.13 - Step 6: Final answer
x = 1,909,086.28
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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.