Finding the Fourth Proportional to 2,641,965.26, 3,645,912.58 and 1,609,472.97
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Solution
The fourth proportional to 2,641,965.26, 3,645,912.58 and 1,609,472.97 is: 2,221,073.02
Step by Step Solution
- Step 1: Write the proportion equation
2,641,965.26 : 3,645,912.58 = 1,609,472.97 : x - Step 2: Convert to fraction form
2,641,965.26/3,645,912.58 = 1,609,472.97/x - Step 3: Cross multiply
2,641,965.26x = 3,645,912.58 × 1,609,472.97 - Step 4: Simplify right side
2,641,965.26x = 5,867,997,744,469.28 - Step 5: Solve for x
x = 5,867,997,744,469.28/2,641,965.26 - Step 6: Final answer
x = 2,221,073.02
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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.