Finding the Fourth Proportional to 4,080,425.10, 6,120,868.05 and 1,240,629.90
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Solution
The fourth proportional to 4,080,425.10, 6,120,868.05 and 1,240,629.90 is: 1,861,014.90
Step by Step Solution
- Step 1: Write the proportion equation
4,080,425.10 : 6,120,868.05 = 1,240,629.90 : x - Step 2: Convert to fraction form
4,080,425.10/6,120,868.05 = 1,240,629.90/x - Step 3: Cross multiply
4,080,425.10x = 6,120,868.05 × 1,240,629.90 - Step 4: Simplify right side
4,080,425.10x = 7,593,731,916,784.69 - Step 5: Solve for x
x = 7,593,731,916,784.69/4,080,425.10 - Step 6: Final answer
x = 1,861,014.90
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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.