Finding the Fourth Proportional to 1,350,934.70, 2,021,481.30 and 996,640.70
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Solution
The fourth proportional to 1,350,934.70, 2,021,481.30 and 996,640.70 is: 1,491,330.81
Step by Step Solution
- Step 1: Write the proportion equation
1,350,934.70 : 2,021,481.30 = 996,640.70 : x - Step 2: Convert to fraction form
1,350,934.70/2,021,481.30 = 996,640.70/x - Step 3: Cross multiply
1,350,934.70x = 2,021,481.30 × 996,640.70 - Step 4: Simplify right side
1,350,934.70x = 2,014,690,537,868.91 - Step 5: Solve for x
x = 2,014,690,537,868.91/1,350,934.70 - Step 6: Final answer
x = 1,491,330.81
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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.