Finding the Fourth Proportional to 3,053,720.21, 4,215,769.97 and 2,354,473.82
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Solution
The fourth proportional to 3,053,720.21, 4,215,769.97 and 2,354,473.82 is: 3,250,435.31
Step by Step Solution
- Step 1: Write the proportion equation
3,053,720.21 : 4,215,769.97 = 2,354,473.82 : x - Step 2: Convert to fraction form
3,053,720.21/4,215,769.97 = 2,354,473.82/x - Step 3: Cross multiply
3,053,720.21x = 4,215,769.97 × 2,354,473.82 - Step 4: Simplify right side
3,053,720.21x = 9,925,919,992,655.97 - Step 5: Solve for x
x = 9,925,919,992,655.97/3,053,720.21 - Step 6: Final answer
x = 3,250,435.31
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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.