Finding the Fourth Proportional to 6,206,265.40, 9,288,402.90 and 5,450,438.20
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Solution
The fourth proportional to 6,206,265.40, 9,288,402.90 and 5,450,438.20 is: 8,157,218.99
Step by Step Solution
- Step 1: Write the proportion equation
6,206,265.40 : 9,288,402.90 = 5,450,438.20 : x - Step 2: Convert to fraction form
6,206,265.40/9,288,402.90 = 5,450,438.20/x - Step 3: Cross multiply
6,206,265.40x = 9,288,402.90 × 5,450,438.20 - Step 4: Simplify right side
6,206,265.40x = 50,625,865,983,150.78 - Step 5: Solve for x
x = 50,625,865,983,150.78/6,206,265.40 - Step 6: Final answer
x = 8,157,218.99
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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.