Finding the Fourth Proportional to 2,892,633.99, 3,992,241.60 and 1,790,418.96
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Solution
The fourth proportional to 2,892,633.99, 3,992,241.60 and 1,790,418.96 is: 2,471,029.89
Step by Step Solution
- Step 1: Write the proportion equation
2,892,633.99 : 3,992,241.60 = 1,790,418.96 : x - Step 2: Convert to fraction form
2,892,633.99/3,992,241.60 = 1,790,418.96/x - Step 3: Cross multiply
2,892,633.99x = 3,992,241.60 × 1,790,418.96 - Step 4: Simplify right side
2,892,633.99x = 7,147,785,053,540.74 - Step 5: Solve for x
x = 7,147,785,053,540.74/2,892,633.99 - Step 6: Final answer
x = 2,471,029.89
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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.