Finding the Fourth Proportional to 5,168,493.50, 7,747,949.34 and 2,288,325.21
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Solution
The fourth proportional to 5,168,493.50, 7,747,949.34 and 2,288,325.21 is: 3,430,366.67
Step by Step Solution
- Step 1: Write the proportion equation
5,168,493.50 : 7,747,949.34 = 2,288,325.21 : x - Step 2: Convert to fraction form
5,168,493.50/7,747,949.34 = 2,288,325.21/x - Step 3: Cross multiply
5,168,493.50x = 7,747,949.34 × 2,288,325.21 - Step 4: Simplify right side
5,168,493.50x = 17,729,827,800,524.86 - Step 5: Solve for x
x = 17,729,827,800,524.86/5,168,493.50 - Step 6: Final answer
x = 3,430,366.67
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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.