Finding the Fourth Proportional to 1,720,790.14, 2,582,322.26 and 810,233.03
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Solution
The fourth proportional to 1,720,790.14, 2,582,322.26 and 810,233.03 is: 1,215,884.92
Step by Step Solution
- Step 1: Write the proportion equation
1,720,790.14 : 2,582,322.26 = 810,233.03 : x - Step 2: Convert to fraction form
1,720,790.14/2,582,322.26 = 810,233.03/x - Step 3: Cross multiply
1,720,790.14x = 2,582,322.26 × 810,233.03 - Step 4: Simplify right side
1,720,790.14x = 2,092,282,778,270.22 - Step 5: Solve for x
x = 2,092,282,778,270.22/1,720,790.14 - Step 6: Final answer
x = 1,215,884.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.