Finding the Fourth Proportional to 3,829,121.74, 5,744,804.42 and 1,235,373.92
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Solution
The fourth proportional to 3,829,121.74, 5,744,804.42 and 1,235,373.92 is: 1,853,422.80
Step by Step Solution
- Step 1: Write the proportion equation
3,829,121.74 : 5,744,804.42 = 1,235,373.92 : x - Step 2: Convert to fraction form
3,829,121.74/5,744,804.42 = 1,235,373.92/x - Step 3: Cross multiply
3,829,121.74x = 5,744,804.42 × 1,235,373.92 - Step 4: Simplify right side
3,829,121.74x = 7,096,981,532,881.49 - Step 5: Solve for x
x = 7,096,981,532,881.49/3,829,121.74 - Step 6: Final answer
x = 1,853,422.80
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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.