Finding the Fourth Proportional to 2,198,033.04, 3,033,249.84 and 1,231,160.88
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Solution
The fourth proportional to 2,198,033.04, 3,033,249.84 and 1,231,160.88 is: 1,698,981.99
Step by Step Solution
- Step 1: Write the proportion equation
2,198,033.04 : 3,033,249.84 = 1,231,160.88 : x - Step 2: Convert to fraction form
2,198,033.04/3,033,249.84 = 1,231,160.88/x - Step 3: Cross multiply
2,198,033.04x = 3,033,249.84 × 1,231,160.88 - Step 4: Simplify right side
2,198,033.04x = 3,734,418,542,274.26 - Step 5: Solve for x
x = 3,734,418,542,274.26/2,198,033.04 - Step 6: Final answer
x = 1,698,981.99
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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.