Finding the Fourth Proportional to 3,772,719.49, 5,206,270.52 and 2,203,120.99
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Solution
The fourth proportional to 3,772,719.49, 5,206,270.52 and 2,203,120.99 is: 3,040,258.86
Step by Step Solution
- Step 1: Write the proportion equation
3,772,719.49 : 5,206,270.52 = 2,203,120.99 : x - Step 2: Convert to fraction form
3,772,719.49/5,206,270.52 = 2,203,120.99/x - Step 3: Cross multiply
3,772,719.49x = 5,206,270.52 × 2,203,120.99 - Step 4: Simplify right side
3,772,719.49x = 11,470,043,862,230.21 - Step 5: Solve for x
x = 11,470,043,862,230.21/3,772,719.49 - Step 6: Final answer
x = 3,040,258.86
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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.