Finding the Fourth Proportional to 1,940,229.36, 2,677,599.36 and 1,080,790.20
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Solution
The fourth proportional to 1,940,229.36, 2,677,599.36 and 1,080,790.20 is: 1,491,536.62
Step by Step Solution
- Step 1: Write the proportion equation
1,940,229.36 : 2,677,599.36 = 1,080,790.20 : x - Step 2: Convert to fraction form
1,940,229.36/2,677,599.36 = 1,080,790.20/x - Step 3: Cross multiply
1,940,229.36x = 2,677,599.36 × 1,080,790.20 - Step 4: Simplify right side
1,940,229.36x = 2,893,923,147,814.27 - Step 5: Solve for x
x = 2,893,923,147,814.27/1,940,229.36 - Step 6: Final answer
x = 1,491,536.62
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1.5x scale
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.