Finding the Fourth Proportional to 3,212,201.49, 4,818,859.92 and 1,082,304.06
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Solution
The fourth proportional to 3,212,201.49, 4,818,859.92 and 1,082,304.06 is: 1,623,643.99
Step by Step Solution
- Step 1: Write the proportion equation
3,212,201.49 : 4,818,859.92 = 1,082,304.06 : x - Step 2: Convert to fraction form
3,212,201.49/4,818,859.92 = 1,082,304.06/x - Step 3: Cross multiply
3,212,201.49x = 4,818,859.92 × 1,082,304.06 - Step 4: Simplify right side
3,212,201.49x = 5,215,471,655,987.28 - Step 5: Solve for x
x = 5,215,471,655,987.28/3,212,201.49 - Step 6: Final answer
x = 1,623,643.99
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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.