Finding the Fourth Proportional to 4,263,011.70, 6,394,517.55 and 3,311,229.30
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Solution
The fourth proportional to 4,263,011.70, 6,394,517.55 and 3,311,229.30 is: 4,966,843.95
Step by Step Solution
- Step 1: Write the proportion equation
4,263,011.70 : 6,394,517.55 = 3,311,229.30 : x - Step 2: Convert to fraction form
4,263,011.70/6,394,517.55 = 3,311,229.30/x - Step 3: Cross multiply
4,263,011.70x = 6,394,517.55 × 3,311,229.30 - Step 4: Simplify right side
4,263,011.70x = 21,173,713,870,924.21 - Step 5: Solve for x
x = 21,173,713,870,924.21/4,263,011.70 - Step 6: Final answer
x = 4,966,843.95
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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.