Finding the Fourth Proportional to 6,339,272.36, 8,738,489.31 and 3,887,336.84
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Solution
The fourth proportional to 6,339,272.36, 8,738,489.31 and 3,887,336.84 is: 5,358,572.64
Step by Step Solution
- Step 1: Write the proportion equation
6,339,272.36 : 8,738,489.31 = 3,887,336.84 : x - Step 2: Convert to fraction form
6,339,272.36/8,738,489.31 = 3,887,336.84/x - Step 3: Cross multiply
6,339,272.36x = 8,738,489.31 × 3,887,336.84 - Step 4: Simplify right side
6,339,272.36x = 33,969,451,420,709.18 - Step 5: Solve for x
x = 33,969,451,420,709.18/6,339,272.36 - Step 6: Final answer
x = 5,358,572.64
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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.