Finding the Fourth Proportional to 2,768,965.92, 3,821,176.08 and 1,561,741.92
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Solution
The fourth proportional to 2,768,965.92, 3,821,176.08 and 1,561,741.92 is: 2,155,205.60
Step by Step Solution
- Step 1: Write the proportion equation
2,768,965.92 : 3,821,176.08 = 1,561,741.92 : x - Step 2: Convert to fraction form
2,768,965.92/3,821,176.08 = 1,561,741.92/x - Step 3: Cross multiply
2,768,965.92x = 3,821,176.08 × 1,561,741.92 - Step 4: Simplify right side
2,768,965.92x = 5,967,690,867,837.27 - Step 5: Solve for x
x = 5,967,690,867,837.27/2,768,965.92 - Step 6: Final answer
x = 2,155,205.60
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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.