Finding the Fourth Proportional to 6,347,768.20, 8,762,601.43 and 4,285,576.84
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Solution
The fourth proportional to 6,347,768.20, 8,762,601.43 and 4,285,576.84 is: 5,915,906.28
Step by Step Solution
- Step 1: Write the proportion equation
6,347,768.20 : 8,762,601.43 = 4,285,576.84 : x - Step 2: Convert to fraction form
6,347,768.20/8,762,601.43 = 4,285,576.84/x - Step 3: Cross multiply
6,347,768.20x = 8,762,601.43 × 4,285,576.84 - Step 4: Simplify right side
6,347,768.20x = 37,552,801,746,558.88 - Step 5: Solve for x
x = 37,552,801,746,558.88/6,347,768.20 - Step 6: Final answer
x = 5,915,906.28
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1.5x scale
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.