Finding the Fourth Proportional to 6,392,373.39, 8,821,474.92 and 3,452,190.21
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Solution
The fourth proportional to 6,392,373.39, 8,821,474.92 and 3,452,190.21 is: 4,764,022.30
Step by Step Solution
- Step 1: Write the proportion equation
6,392,373.39 : 8,821,474.92 = 3,452,190.21 : x - Step 2: Convert to fraction form
6,392,373.39/8,821,474.92 = 3,452,190.21/x - Step 3: Cross multiply
6,392,373.39x = 8,821,474.92 × 3,452,190.21 - Step 4: Simplify right side
6,392,373.39x = 30,453,409,356,584.53 - Step 5: Solve for x
x = 30,453,409,356,584.53/6,392,373.39 - Step 6: Final answer
x = 4,764,022.30
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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.