Finding the Fourth Proportional to 5,981,469.66, 8,972,204.88 and 4,777,756.20
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Solution
The fourth proportional to 5,981,469.66, 8,972,204.88 and 4,777,756.20 is: 7,166,634.61
Step by Step Solution
- Step 1: Write the proportion equation
5,981,469.66 : 8,972,204.88 = 4,777,756.20 : x - Step 2: Convert to fraction form
5,981,469.66/8,972,204.88 = 4,777,756.20/x - Step 3: Cross multiply
5,981,469.66x = 8,972,204.88 × 4,777,756.20 - Step 4: Simplify right side
5,981,469.66x = 42,867,007,493,090.26 - Step 5: Solve for x
x = 42,867,007,493,090.26/5,981,469.66 - Step 6: Final answer
x = 7,166,634.61
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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.