Finding the Fourth Proportional to 6,410,680.70, 8,847,582.09 and 3,656,737.40
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Solution
The fourth proportional to 6,410,680.70, 8,847,582.09 and 3,656,737.40 is: 5,046,778.31
Step by Step Solution
- Step 1: Write the proportion equation
6,410,680.70 : 8,847,582.09 = 3,656,737.40 : x - Step 2: Convert to fraction form
6,410,680.70/8,847,582.09 = 3,656,737.40/x - Step 3: Cross multiply
6,410,680.70x = 8,847,582.09 × 3,656,737.40 - Step 4: Simplify right side
6,410,680.70x = 32,353,284,328,073.16 - Step 5: Solve for x
x = 32,353,284,328,073.16/6,410,680.70 - Step 6: Final answer
x = 5,046,778.31
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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.