Finding the Fourth Proportional to 3,967,601.64, 5,475,888.41 and 2,419,761.70
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Solution
The fourth proportional to 3,967,601.64, 5,475,888.41 and 2,419,761.70 is: 3,339,635.95
Step by Step Solution
- Step 1: Write the proportion equation
3,967,601.64 : 5,475,888.41 = 2,419,761.70 : x - Step 2: Convert to fraction form
3,967,601.64/5,475,888.41 = 2,419,761.70/x - Step 3: Cross multiply
3,967,601.64x = 5,475,888.41 × 2,419,761.70 - Step 4: Simplify right side
3,967,601.64x = 13,250,345,056,349.11 - Step 5: Solve for x
x = 13,250,345,056,349.11/3,967,601.64 - Step 6: Final answer
x = 3,339,635.95
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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.