Finding the Fourth Proportional to 3,882,645.28, 5,356,472.24 and 2,576,513.26
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Solution
The fourth proportional to 3,882,645.28, 5,356,472.24 and 2,576,513.26 is: 3,554,540.98
Step by Step Solution
- Step 1: Write the proportion equation
3,882,645.28 : 5,356,472.24 = 2,576,513.26 : x - Step 2: Convert to fraction form
3,882,645.28/5,356,472.24 = 2,576,513.26/x - Step 3: Cross multiply
3,882,645.28x = 5,356,472.24 × 2,576,513.26 - Step 4: Simplify right side
3,882,645.28x = 13,801,021,753,181.90 - Step 5: Solve for x
x = 13,801,021,753,181.90/3,882,645.28 - Step 6: Final answer
x = 3,554,540.98
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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.