Finding the Fourth Proportional to 2,282,249.21, 3,149,504.12 and 1,263,653.96
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Solution
The fourth proportional to 2,282,249.21, 3,149,504.12 and 1,263,653.96 is: 1,743,842.58
Step by Step Solution
- Step 1: Write the proportion equation
2,282,249.21 : 3,149,504.12 = 1,263,653.96 : x - Step 2: Convert to fraction form
2,282,249.21/3,149,504.12 = 1,263,653.96/x - Step 3: Cross multiply
2,282,249.21x = 3,149,504.12 × 1,263,653.96 - Step 4: Simplify right side
2,282,249.21x = 3,979,883,331,208.53 - Step 5: Solve for x
x = 3,979,883,331,208.53/2,282,249.21 - Step 6: Final answer
x = 1,743,842.58
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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.