Finding the Fourth Proportional to 3,726,120.13, 5,589,179.73 and 1,201,775.38
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Solution
The fourth proportional to 3,726,120.13, 5,589,179.73 and 1,201,775.38 is: 1,802,662.92
Step by Step Solution
- Step 1: Write the proportion equation
3,726,120.13 : 5,589,179.73 = 1,201,775.38 : x - Step 2: Convert to fraction form
3,726,120.13/5,589,179.73 = 1,201,775.38/x - Step 3: Cross multiply
3,726,120.13x = 5,589,179.73 × 1,201,775.38 - Step 4: Simplify right side
3,726,120.13x = 6,716,938,579,936.10 - Step 5: Solve for x
x = 6,716,938,579,936.10/3,726,120.13 - Step 6: Final answer
x = 1,802,662.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.