Finding the Fourth Proportional to 3,758,806.70, 5,186,403 and 2,287,729.92
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Solution
The fourth proportional to 3,758,806.70, 5,186,403 and 2,287,729.92 is: 3,156,610.67
Step by Step Solution
- Step 1: Write the proportion equation
3,758,806.70 : 5,186,403 = 2,287,729.92 : x - Step 2: Convert to fraction form
3,758,806.70/5,186,403 = 2,287,729.92/x - Step 3: Cross multiply
3,758,806.70x = 5,186,403 × 2,287,729.92 - Step 4: Simplify right side
3,758,806.70x = 11,865,089,320,277.76 - Step 5: Solve for x
x = 11,865,089,320,277.76/3,758,806.70 - Step 6: Final answer
x = 3,156,610.67
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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.