Finding the Fourth Proportional to 5,612,728.20, 8,406,650.70 and 3,373,240.20
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Solution
The fourth proportional to 5,612,728.20, 8,406,650.70 and 3,373,240.20 is: 5,052,382.92
Step by Step Solution
- Step 1: Write the proportion equation
5,612,728.20 : 8,406,650.70 = 3,373,240.20 : x - Step 2: Convert to fraction form
5,612,728.20/8,406,650.70 = 3,373,240.20/x - Step 3: Cross multiply
5,612,728.20x = 8,406,650.70 × 3,373,240.20 - Step 4: Simplify right side
5,612,728.20x = 28,357,652,088,598.14 - Step 5: Solve for x
x = 28,357,652,088,598.14/5,612,728.20 - Step 6: Final answer
x = 5,052,382.92
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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.