Finding the Fourth Proportional to 2,305,576.20, 3,181,563.18 and 1,287,045.48
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Solution
The fourth proportional to 2,305,576.20, 3,181,563.18 and 1,287,045.48 is: 1,776,049.09
Step by Step Solution
- Step 1: Write the proportion equation
2,305,576.20 : 3,181,563.18 = 1,287,045.48 : x - Step 2: Convert to fraction form
2,305,576.20/3,181,563.18 = 1,287,045.48/x - Step 3: Cross multiply
2,305,576.20x = 3,181,563.18 × 1,287,045.48 - Step 4: Simplify right side
2,305,576.20x = 4,094,816,510,153.43 - Step 5: Solve for x
x = 4,094,816,510,153.43/2,305,576.20 - Step 6: Final answer
x = 1,776,049.09
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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.