Finding the Fourth Proportional to 4,640,932.14, 6,404,872.14 and 2,576,141.70
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Solution
The fourth proportional to 4,640,932.14, 6,404,872.14 and 2,576,141.70 is: 3,555,289.69
Step by Step Solution
- Step 1: Write the proportion equation
4,640,932.14 : 6,404,872.14 = 2,576,141.70 : x - Step 2: Convert to fraction form
4,640,932.14/6,404,872.14 = 2,576,141.70/x - Step 3: Cross multiply
4,640,932.14x = 6,404,872.14 × 2,576,141.70 - Step 4: Simplify right side
4,640,932.14x = 16,499,858,203,022.24 - Step 5: Solve for x
x = 16,499,858,203,022.24/4,640,932.14 - Step 6: Final answer
x = 3,555,289.69
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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.