Finding the Fourth Proportional to 2,638,596.96, 3,641,270.82 and 1,431,372.96
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Solution
The fourth proportional to 2,638,596.96, 3,641,270.82 and 1,431,372.96 is: 1,975,298.49
Step by Step Solution
- Step 1: Write the proportion equation
2,638,596.96 : 3,641,270.82 = 1,431,372.96 : x - Step 2: Convert to fraction form
2,638,596.96/3,641,270.82 = 1,431,372.96/x - Step 3: Cross multiply
2,638,596.96x = 3,641,270.82 × 1,431,372.96 - Step 4: Simplify right side
2,638,596.96x = 5,212,016,591,785.03 - Step 5: Solve for x
x = 5,212,016,591,785.03/2,638,596.96 - Step 6: Final answer
x = 1,975,298.49
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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.