Finding the Fourth Proportional to 3,827,742.08, 5,741,422.36 and 1,431,410.54
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Solution
The fourth proportional to 3,827,742.08, 5,741,422.36 and 1,431,410.54 is: 2,147,044.47
Step by Step Solution
- Step 1: Write the proportion equation
3,827,742.08 : 5,741,422.36 = 1,431,410.54 : x - Step 2: Convert to fraction form
3,827,742.08/5,741,422.36 = 1,431,410.54/x - Step 3: Cross multiply
3,827,742.08x = 5,741,422.36 × 1,431,410.54 - Step 4: Simplify right side
3,827,742.08x = 8,218,332,448,410.04 - Step 5: Solve for x
x = 8,218,332,448,410.04/3,827,742.08 - Step 6: Final answer
x = 2,147,044.47
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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.