Finding the Fourth Proportional to 3,958,497.33, 5,462,145.39 and 2,216,076.09
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Solution
The fourth proportional to 3,958,497.33, 5,462,145.39 and 2,216,076.09 is: 3,057,859.79
Step by Step Solution
- Step 1: Write the proportion equation
3,958,497.33 : 5,462,145.39 = 2,216,076.09 : x - Step 2: Convert to fraction form
3,958,497.33/5,462,145.39 = 2,216,076.09/x - Step 3: Cross multiply
3,958,497.33x = 5,462,145.39 × 2,216,076.09 - Step 4: Simplify right side
3,958,497.33x = 12,104,529,798,882.72 - Step 5: Solve for x
x = 12,104,529,798,882.72/3,958,497.33 - Step 6: Final answer
x = 3,057,859.79
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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.