Finding the Fourth Proportional to 3,659,203.20, 5,484,139.20 and 1,761,859.20
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Solution
The fourth proportional to 3,659,203.20, 5,484,139.20 and 1,761,859.20 is: 2,640,542.37
Step by Step Solution
- Step 1: Write the proportion equation
3,659,203.20 : 5,484,139.20 = 1,761,859.20 : x - Step 2: Convert to fraction form
3,659,203.20/5,484,139.20 = 1,761,859.20/x - Step 3: Cross multiply
3,659,203.20x = 5,484,139.20 × 1,761,859.20 - Step 4: Simplify right side
3,659,203.20x = 9,662,281,103,600.64 - Step 5: Solve for x
x = 9,662,281,103,600.64/3,659,203.20 - Step 6: Final answer
x = 2,640,542.37
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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.