Finding the Fourth Proportional to 2,425,240.81, 3,638,234.90 and 827,431.44
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Solution
The fourth proportional to 2,425,240.81, 3,638,234.90 and 827,431.44 is: 1,241,274.65
Step by Step Solution
- Step 1: Write the proportion equation
2,425,240.81 : 3,638,234.90 = 827,431.44 : x - Step 2: Convert to fraction form
2,425,240.81/3,638,234.90 = 827,431.44/x - Step 3: Cross multiply
2,425,240.81x = 3,638,234.90 × 827,431.44 - Step 4: Simplify right side
2,425,240.81x = 3,010,389,942,365.26 - Step 5: Solve for x
x = 3,010,389,942,365.26/2,425,240.81 - Step 6: Final answer
x = 1,241,274.65
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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.