Finding the Fourth Proportional to 1,940,229.86, 2,677,600.05 and 1,080,790.70
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Solution
The fourth proportional to 1,940,229.86, 2,677,600.05 and 1,080,790.70 is: 1,491,537.31
Step by Step Solution
- Step 1: Write the proportion equation
1,940,229.86 : 2,677,600.05 = 1,080,790.70 : x - Step 2: Convert to fraction form
1,940,229.86/2,677,600.05 = 1,080,790.70/x - Step 3: Cross multiply
1,940,229.86x = 2,677,600.05 × 1,080,790.70 - Step 4: Simplify right side
1,940,229.86x = 2,893,925,232,359.53 - Step 5: Solve for x
x = 2,893,925,232,359.53/1,940,229.86 - Step 6: Final answer
x = 1,491,537.31
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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.