Finding the Fourth Proportional to 4,220,785.60, 6,331,240.62 and 1,342,596.64
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Solution
The fourth proportional to 4,220,785.60, 6,331,240.62 and 1,342,596.64 is: 2,013,914.75
Step by Step Solution
- Step 1: Write the proportion equation
4,220,785.60 : 6,331,240.62 = 1,342,596.64 : x - Step 2: Convert to fraction form
4,220,785.60/6,331,240.62 = 1,342,596.64/x - Step 3: Cross multiply
4,220,785.60x = 6,331,240.62 × 1,342,596.64 - Step 4: Simplify right side
4,220,785.60x = 8,500,302,383,443.52 - Step 5: Solve for x
x = 8,500,302,383,443.52/4,220,785.60 - Step 6: Final answer
x = 2,013,914.75
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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.