Finding the Fourth Proportional to 6,320,589.30, 8,719,199.84 and 3,839,149.64
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Solution
The fourth proportional to 6,320,589.30, 8,719,199.84 and 3,839,149.64 is: 5,296,074.67
Step by Step Solution
- Step 1: Write the proportion equation
6,320,589.30 : 8,719,199.84 = 3,839,149.64 : x - Step 2: Convert to fraction form
6,320,589.30/8,719,199.84 = 3,839,149.64/x - Step 3: Cross multiply
6,320,589.30x = 8,719,199.84 × 3,839,149.64 - Step 4: Simplify right side
6,320,589.30x = 33,474,312,907,628.31 - Step 5: Solve for x
x = 33,474,312,907,628.31/6,320,589.30 - Step 6: Final answer
x = 5,296,074.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.