Finding the Fourth Proportional to 3,309,107.20, 4,964,524.80 and 1,065,299.20
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Solution
The fourth proportional to 3,309,107.20, 4,964,524.80 and 1,065,299.20 is: 1,598,226.95
Step by Step Solution
- Step 1: Write the proportion equation
3,309,107.20 : 4,964,524.80 = 1,065,299.20 : x - Step 2: Convert to fraction form
3,309,107.20/4,964,524.80 = 1,065,299.20/x - Step 3: Cross multiply
3,309,107.20x = 4,964,524.80 × 1,065,299.20 - Step 4: Simplify right side
3,309,107.20x = 5,288,704,297,820.16 - Step 5: Solve for x
x = 5,288,704,297,820.16/3,309,107.20 - Step 6: Final answer
x = 1,598,226.95
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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.