Finding the Fourth Proportional to 5,423,947.86, 8,135,658.84 and 2,012,899.44
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Solution
The fourth proportional to 5,423,947.86, 8,135,658.84 and 2,012,899.44 is: 3,019,251.58
Step by Step Solution
- Step 1: Write the proportion equation
5,423,947.86 : 8,135,658.84 = 2,012,899.44 : x - Step 2: Convert to fraction form
5,423,947.86/8,135,658.84 = 2,012,899.44/x - Step 3: Cross multiply
5,423,947.86x = 8,135,658.84 × 2,012,899.44 - Step 4: Simplify right side
5,423,947.86x = 16,376,263,123,067.05 - Step 5: Solve for x
x = 16,376,263,123,067.05/5,423,947.86 - Step 6: Final answer
x = 3,019,251.58
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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.