Finding the Fourth Proportional to 3,203,160.55, 4,420,361.97 and 1,752,856.09
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Solution
The fourth proportional to 3,203,160.55, 4,420,361.97 and 1,752,856.09 is: 2,418,941.63
Step by Step Solution
- Step 1: Write the proportion equation
3,203,160.55 : 4,420,361.97 = 1,752,856.09 : x - Step 2: Convert to fraction form
3,203,160.55/4,420,361.97 = 1,752,856.09/x - Step 3: Cross multiply
3,203,160.55x = 4,420,361.97 × 1,752,856.09 - Step 4: Simplify right side
3,203,160.55x = 7,748,258,388,067.99 - Step 5: Solve for x
x = 7,748,258,388,067.99/3,203,160.55 - Step 6: Final answer
x = 2,418,941.63
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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.