Finding the Fourth Proportional to 2,431,623.80, 3,647,438.58 and 634,505.96
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Solution
The fourth proportional to 2,431,623.80, 3,647,438.58 and 634,505.96 is: 951,759.69
Step by Step Solution
- Step 1: Write the proportion equation
2,431,623.80 : 3,647,438.58 = 634,505.96 : x - Step 2: Convert to fraction form
2,431,623.80/3,647,438.58 = 634,505.96/x - Step 3: Cross multiply
2,431,623.80x = 3,647,438.58 × 634,505.96 - Step 4: Simplify right side
2,431,623.80x = 2,314,321,517,743.94 - Step 5: Solve for x
x = 2,314,321,517,743.94/2,431,623.80 - Step 6: Final answer
x = 951,759.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.