Finding the Fourth Proportional to 2,638,614.96, 3,641,295.66 and 1,431,390.96
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Solution
The fourth proportional to 2,638,614.96, 3,641,295.66 and 1,431,390.96 is: 1,975,323.33
Step by Step Solution
- Step 1: Write the proportion equation
2,638,614.96 : 3,641,295.66 = 1,431,390.96 : x - Step 2: Convert to fraction form
2,638,614.96/3,641,295.66 = 1,431,390.96/x - Step 3: Cross multiply
2,638,614.96x = 3,641,295.66 × 1,431,390.96 - Step 4: Simplify right side
2,638,614.96x = 5,212,117,690,411.23 - Step 5: Solve for x
x = 5,212,117,690,411.23/2,638,614.96 - Step 6: Final answer
x = 1,975,323.33
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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.