Finding the Fourth Proportional to 3,078,884.68, 4,248,850.22 and 1,720,757.68
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Solution
The fourth proportional to 3,078,884.68, 4,248,850.22 and 1,720,757.68 is: 2,374,639.65
Step by Step Solution
- Step 1: Write the proportion equation
3,078,884.68 : 4,248,850.22 = 1,720,757.68 : x - Step 2: Convert to fraction form
3,078,884.68/4,248,850.22 = 1,720,757.68/x - Step 3: Cross multiply
3,078,884.68x = 4,248,850.22 × 1,720,757.68 - Step 4: Simplify right side
3,078,884.68x = 7,311,241,647,234.69 - Step 5: Solve for x
x = 7,311,241,647,234.69/3,078,884.68 - Step 6: Final answer
x = 2,374,639.65
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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.