Finding the Fourth Proportional to 3,628,163.41, 5,006,739.87 and 1,996,418.07
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Solution
The fourth proportional to 3,628,163.41, 5,006,739.87 and 1,996,418.07 is: 2,754,987.81
Step by Step Solution
- Step 1: Write the proportion equation
3,628,163.41 : 5,006,739.87 = 1,996,418.07 : x - Step 2: Convert to fraction form
3,628,163.41/5,006,739.87 = 1,996,418.07/x - Step 3: Cross multiply
3,628,163.41x = 5,006,739.87 × 1,996,418.07 - Step 4: Simplify right side
3,628,163.41x = 9,995,545,948,257.45 - Step 5: Solve for x
x = 9,995,545,948,257.45/3,628,163.41 - Step 6: Final answer
x = 2,754,987.81
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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.