Finding the Fourth Proportional to 2,202,579.63, 3,040,627.82 and 1,477,161.99
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Solution
The fourth proportional to 2,202,579.63, 3,040,627.82 and 1,477,161.99 is: 2,039,199.75
Step by Step Solution
- Step 1: Write the proportion equation
2,202,579.63 : 3,040,627.82 = 1,477,161.99 : x - Step 2: Convert to fraction form
2,202,579.63/3,040,627.82 = 1,477,161.99/x - Step 3: Cross multiply
2,202,579.63x = 3,040,627.82 × 1,477,161.99 - Step 4: Simplify right side
2,202,579.63x = 4,491,499,834,054.75 - Step 5: Solve for x
x = 4,491,499,834,054.75/2,202,579.63 - Step 6: Final answer
x = 2,039,199.75
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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.