Finding the Fourth Proportional to 3,420,568.99, 4,725,512.37 and 2,245,954.64
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Solution
The fourth proportional to 3,420,568.99, 4,725,512.37 and 2,245,954.64 is: 3,102,783.90
Step by Step Solution
- Step 1: Write the proportion equation
3,420,568.99 : 4,725,512.37 = 2,245,954.64 : x - Step 2: Convert to fraction form
3,420,568.99/4,725,512.37 = 2,245,954.64/x - Step 3: Cross multiply
3,420,568.99x = 4,725,512.37 × 2,245,954.64 - Step 4: Simplify right side
3,420,568.99x = 10,613,286,398,921.56 - Step 5: Solve for x
x = 10,613,286,398,921.56/3,420,568.99 - Step 6: Final answer
x = 3,102,783.90
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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.