Finding the Fourth Proportional to 5,275,163.26, 7,912,657.68 and 1,680,881.41
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Solution
The fourth proportional to 5,275,163.26, 7,912,657.68 and 1,680,881.41 is: 2,521,294.33
Step by Step Solution
- Step 1: Write the proportion equation
5,275,163.26 : 7,912,657.68 = 1,680,881.41 : x - Step 2: Convert to fraction form
5,275,163.26/7,912,657.68 = 1,680,881.41/x - Step 3: Cross multiply
5,275,163.26x = 7,912,657.68 × 1,680,881.41 - Step 4: Simplify right side
5,275,163.26x = 13,300,239,198,005.73 - Step 5: Solve for x
x = 13,300,239,198,005.73/5,275,163.26 - Step 6: Final answer
x = 2,521,294.33
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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.