Finding the Fourth Proportional to 5,153,770.26, 7,728,012.36 and 2,726,234.28
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Solution
The fourth proportional to 5,153,770.26, 7,728,012.36 and 2,726,234.28 is: 4,087,953.31
Step by Step Solution
- Step 1: Write the proportion equation
5,153,770.26 : 7,728,012.36 = 2,726,234.28 : x - Step 2: Convert to fraction form
5,153,770.26/7,728,012.36 = 2,726,234.28/x - Step 3: Cross multiply
5,153,770.26x = 7,728,012.36 × 2,726,234.28 - Step 4: Simplify right side
5,153,770.26x = 21,068,372,212,095.70 - Step 5: Solve for x
x = 21,068,372,212,095.70/5,153,770.26 - Step 6: Final answer
x = 4,087,953.31
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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.