Finding the Fourth Proportional to 3,772,718.37, 5,206,268.97 and 2,203,119.87
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Solution
The fourth proportional to 3,772,718.37, 5,206,268.97 and 2,203,119.87 is: 3,040,257.31
Step by Step Solution
- Step 1: Write the proportion equation
3,772,718.37 : 5,206,268.97 = 2,203,119.87 : x - Step 2: Convert to fraction form
3,772,718.37/5,206,268.97 = 2,203,119.87/x - Step 3: Cross multiply
3,772,718.37x = 5,206,268.97 × 2,203,119.87 - Step 4: Simplify right side
3,772,718.37x = 11,470,034,616,371.43 - Step 5: Solve for x
x = 11,470,034,616,371.43/3,772,718.37 - Step 6: Final answer
x = 3,040,257.31
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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.