Finding the Fourth Proportional to 5,107,700.16, 7,656,379.20 and 3,311,720.64
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Solution
The fourth proportional to 5,107,700.16, 7,656,379.20 and 3,311,720.64 is: 4,964,228.17
Step by Step Solution
- Step 1: Write the proportion equation
5,107,700.16 : 7,656,379.20 = 3,311,720.64 : x - Step 2: Convert to fraction form
5,107,700.16/7,656,379.20 = 3,311,720.64/x - Step 3: Cross multiply
5,107,700.16x = 7,656,379.20 × 3,311,720.64 - Step 4: Simplify right side
5,107,700.16x = 25,355,789,024,306.69 - Step 5: Solve for x
x = 25,355,789,024,306.69/5,107,700.16 - Step 6: Final answer
x = 4,964,228.17
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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.