Finding the Fourth Proportional to 1,708,249.30, 2,561,207.55 and 810,121.30
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Solution
The fourth proportional to 1,708,249.30, 2,561,207.55 and 810,121.30 is: 1,214,628.80
Step by Step Solution
- Step 1: Write the proportion equation
1,708,249.30 : 2,561,207.55 = 810,121.30 : x - Step 2: Convert to fraction form
1,708,249.30/2,561,207.55 = 810,121.30/x - Step 3: Cross multiply
1,708,249.30x = 2,561,207.55 × 810,121.30 - Step 4: Simplify right side
1,708,249.30x = 2,074,888,789,975.82 - Step 5: Solve for x
x = 2,074,888,789,975.82/1,708,249.30 - Step 6: Final answer
x = 1,214,628.80
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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.