Finding the Fourth Proportional to 1,491,198.60, 2,236,214.70 and 544,081.80
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Solution
The fourth proportional to 1,491,198.60, 2,236,214.70 and 544,081.80 is: 815,909.91
Step by Step Solution
- Step 1: Write the proportion equation
1,491,198.60 : 2,236,214.70 = 544,081.80 : x - Step 2: Convert to fraction form
1,491,198.60/2,236,214.70 = 544,081.80/x - Step 3: Cross multiply
1,491,198.60x = 2,236,214.70 × 544,081.80 - Step 4: Simplify right side
1,491,198.60x = 1,216,683,719,162.46 - Step 5: Solve for x
x = 1,216,683,719,162.46/1,491,198.60 - Step 6: Final answer
x = 815,909.91
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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.