Finding the Fourth Proportional to 5,483,938.40, 7,568,756.12 and 3,193,449.56
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Solution
The fourth proportional to 5,483,938.40, 7,568,756.12 and 3,193,449.56 is: 4,407,496.79
Step by Step Solution
- Step 1: Write the proportion equation
5,483,938.40 : 7,568,756.12 = 3,193,449.56 : x - Step 2: Convert to fraction form
5,483,938.40/7,568,756.12 = 3,193,449.56/x - Step 3: Cross multiply
5,483,938.40x = 7,568,756.12 × 3,193,449.56 - Step 4: Simplify right side
5,483,938.40x = 24,170,440,901,161.31 - Step 5: Solve for x
x = 24,170,440,901,161.31/5,483,938.40 - Step 6: Final answer
x = 4,407,496.79
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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.