Finding the Fourth Proportional to 2,040,913.38, 2,815,826.41 and 1,157,716.99
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Solution
The fourth proportional to 2,040,913.38, 2,815,826.41 and 1,157,716.99 is: 1,597,289.78
Step by Step Solution
- Step 1: Write the proportion equation
2,040,913.38 : 2,815,826.41 = 1,157,716.99 : x - Step 2: Convert to fraction form
2,040,913.38/2,815,826.41 = 1,157,716.99/x - Step 3: Cross multiply
2,040,913.38x = 2,815,826.41 × 1,157,716.99 - Step 4: Simplify right side
2,040,913.38x = 3,259,930,075,747.71 - Step 5: Solve for x
x = 3,259,930,075,747.71/2,040,913.38 - Step 6: Final answer
x = 1,597,289.78
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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.