Finding the Fourth Proportional to 1,811,608.76, 2,499,992.07 and 995,794.99
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Solution
The fourth proportional to 1,811,608.76, 2,499,992.07 and 995,794.99 is: 1,374,181.68
Step by Step Solution
- Step 1: Write the proportion equation
1,811,608.76 : 2,499,992.07 = 995,794.99 : x - Step 2: Convert to fraction form
1,811,608.76/2,499,992.07 = 995,794.99/x - Step 3: Cross multiply
1,811,608.76x = 2,499,992.07 × 995,794.99 - Step 4: Simplify right side
1,811,608.76x = 2,489,479,568,361.52 - Step 5: Solve for x
x = 2,489,479,568,361.52/1,811,608.76 - Step 6: Final answer
x = 1,374,181.68
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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.