Finding the Fourth Proportional to 4,947,543.19, 7,412,793.98 and 3,867,634.99
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Solution
The fourth proportional to 4,947,543.19, 7,412,793.98 and 3,867,634.99 is: 5,794,791.53
Step by Step Solution
- Step 1: Write the proportion equation
4,947,543.19 : 7,412,793.98 = 3,867,634.99 : x - Step 2: Convert to fraction form
4,947,543.19/7,412,793.98 = 3,867,634.99/x - Step 3: Cross multiply
4,947,543.19x = 7,412,793.98 × 3,867,634.99 - Step 4: Simplify right side
4,947,543.19x = 28,669,981,361,846.46 - Step 5: Solve for x
x = 28,669,981,361,846.46/4,947,543.19 - Step 6: Final answer
x = 5,794,791.53
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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.