Finding the Fourth Proportional to 1,993,676.22, 2,751,238.08 and 1,134,218.16
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Solution
The fourth proportional to 1,993,676.22, 2,751,238.08 and 1,134,218.16 is: 1,565,201.09
Step by Step Solution
- Step 1: Write the proportion equation
1,993,676.22 : 2,751,238.08 = 1,134,218.16 : x - Step 2: Convert to fraction form
1,993,676.22/2,751,238.08 = 1,134,218.16/x - Step 3: Cross multiply
1,993,676.22x = 2,751,238.08 × 1,134,218.16 - Step 4: Simplify right side
1,993,676.22x = 3,120,504,192,819.53 - Step 5: Solve for x
x = 3,120,504,192,819.53/1,993,676.22 - Step 6: Final answer
x = 1,565,201.09
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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.