Finding the Fourth Proportional to 3,964,465.26, 5,470,497.90 and 2,332,513.70
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Solution
The fourth proportional to 3,964,465.26, 5,470,497.90 and 2,332,513.70 is: 3,218,595.82
Step by Step Solution
- Step 1: Write the proportion equation
3,964,465.26 : 5,470,497.90 = 2,332,513.70 : x - Step 2: Convert to fraction form
3,964,465.26/5,470,497.90 = 2,332,513.70/x - Step 3: Cross multiply
3,964,465.26x = 5,470,497.90 × 2,332,513.70 - Step 4: Simplify right side
3,964,465.26x = 12,760,011,297,571.23 - Step 5: Solve for x
x = 12,760,011,297,571.23/3,964,465.26 - Step 6: Final answer
x = 3,218,595.82
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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.