Finding the Fourth Proportional to 3,848,444.66, 5,310,900.87 and 2,129,725.10
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Solution
The fourth proportional to 3,848,444.66, 5,310,900.87 and 2,129,725.10 is: 2,939,046.78
Step by Step Solution
- Step 1: Write the proportion equation
3,848,444.66 : 5,310,900.87 = 2,129,725.10 : x - Step 2: Convert to fraction form
3,848,444.66/5,310,900.87 = 2,129,725.10/x - Step 3: Cross multiply
3,848,444.66x = 5,310,900.87 × 2,129,725.10 - Step 4: Simplify right side
3,848,444.66x = 11,310,758,886,450.84 - Step 5: Solve for x
x = 11,310,758,886,450.84/3,848,444.66 - Step 6: Final answer
x = 2,939,046.78
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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.