Finding the Fourth Proportional to 5,394,948.99, 8,087,163.75 and 2,155,520.85
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Solution
The fourth proportional to 5,394,948.99, 8,087,163.75 and 2,155,520.85 is: 3,231,179.78
Step by Step Solution
- Step 1: Write the proportion equation
5,394,948.99 : 8,087,163.75 = 2,155,520.85 : x - Step 2: Convert to fraction form
5,394,948.99/8,087,163.75 = 2,155,520.85/x - Step 3: Cross multiply
5,394,948.99x = 8,087,163.75 × 2,155,520.85 - Step 4: Simplify right side
5,394,948.99x = 17,432,050,080,489.19 - Step 5: Solve for x
x = 17,432,050,080,489.19/5,394,948.99 - Step 6: Final answer
x = 3,231,179.78
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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.