Finding the Fourth Proportional to 1,568,074.77, 2,165,162.09 and 1,204,926.21
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Solution
The fourth proportional to 1,568,074.77, 2,165,162.09 and 1,204,926.21 is: 1,663,734.79
Step by Step Solution
- Step 1: Write the proportion equation
1,568,074.77 : 2,165,162.09 = 1,204,926.21 : x - Step 2: Convert to fraction form
1,568,074.77/2,165,162.09 = 1,204,926.21/x - Step 3: Cross multiply
1,568,074.77x = 2,165,162.09 × 1,204,926.21 - Step 4: Simplify right side
1,568,074.77x = 2,608,860,545,114.75 - Step 5: Solve for x
x = 2,608,860,545,114.75/1,568,074.77 - Step 6: Final answer
x = 1,663,734.79
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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.