Finding the Fourth Proportional to 5,697,513.20, 7,861,311.12 and 3,373,251.68
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Solution
The fourth proportional to 5,697,513.20, 7,861,311.12 and 3,373,251.68 is: 4,654,343.05
Step by Step Solution
- Step 1: Write the proportion equation
5,697,513.20 : 7,861,311.12 = 3,373,251.68 : x - Step 2: Convert to fraction form
5,697,513.20/7,861,311.12 = 3,373,251.68/x - Step 3: Cross multiply
5,697,513.20x = 7,861,311.12 × 3,373,251.68 - Step 4: Simplify right side
5,697,513.20x = 26,518,180,942,542.68 - Step 5: Solve for x
x = 26,518,180,942,542.68/5,697,513.20 - Step 6: Final answer
x = 4,654,343.05
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.