Finding the Fourth Proportional to 5,330,147.70, 7,988,660.55 and 3,624,287.70
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Solution
The fourth proportional to 5,330,147.70, 7,988,660.55 and 3,624,287.70 is: 5,431,970.33
Step by Step Solution
- Step 1: Write the proportion equation
5,330,147.70 : 7,988,660.55 = 3,624,287.70 : x - Step 2: Convert to fraction form
5,330,147.70/7,988,660.55 = 3,624,287.70/x - Step 3: Cross multiply
5,330,147.70x = 7,988,660.55 × 3,624,287.70 - Step 4: Simplify right side
5,330,147.70x = 28,953,204,170,840.23 - Step 5: Solve for x
x = 28,953,204,170,840.23/5,330,147.70 - Step 6: Final answer
x = 5,431,970.33
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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.