Finding the Fourth Proportional to 5,324,178.07, 7,350,912.95 and 3,149,419.80
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Solution
The fourth proportional to 5,324,178.07, 7,350,912.95 and 3,149,419.80 is: 4,348,297.61
Step by Step Solution
- Step 1: Write the proportion equation
5,324,178.07 : 7,350,912.95 = 3,149,419.80 : x - Step 2: Convert to fraction form
5,324,178.07/7,350,912.95 = 3,149,419.80/x - Step 3: Cross multiply
5,324,178.07x = 7,350,912.95 × 3,149,419.80 - Step 4: Simplify right side
5,324,178.07x = 23,151,110,792,806.41 - Step 5: Solve for x
x = 23,151,110,792,806.41/5,324,178.07 - Step 6: Final answer
x = 4,348,297.61
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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.