Finding the Fourth Proportional to 6,738,465.85, 10,100,809.73 and 3,321,497.05
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Solution
The fourth proportional to 6,738,465.85, 10,100,809.73 and 3,321,497.05 is: 4,978,849.85
Step by Step Solution
- Step 1: Write the proportion equation
6,738,465.85 : 10,100,809.73 = 3,321,497.05 : x - Step 2: Convert to fraction form
6,738,465.85/10,100,809.73 = 3,321,497.05/x - Step 3: Cross multiply
6,738,465.85x = 10,100,809.73 × 3,321,497.05 - Step 4: Simplify right side
6,738,465.85x = 33,549,809,704,198.81 - Step 5: Solve for x
x = 33,549,809,704,198.81/6,738,465.85 - Step 6: Final answer
x = 4,978,849.85
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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.