Finding the Fourth Proportional to 2,853,404.91, 4,278,863.16 and 1,079,232.75
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Solution
The fourth proportional to 2,853,404.91, 4,278,863.16 and 1,079,232.75 is: 1,618,378.53
Step by Step Solution
- Step 1: Write the proportion equation
2,853,404.91 : 4,278,863.16 = 1,079,232.75 : x - Step 2: Convert to fraction form
2,853,404.91/4,278,863.16 = 1,079,232.75/x - Step 3: Cross multiply
2,853,404.91x = 4,278,863.16 × 1,079,232.75 - Step 4: Simplify right side
2,853,404.91x = 4,617,889,255,040.49 - Step 5: Solve for x
x = 4,617,889,255,040.49/2,853,404.91 - Step 6: Final answer
x = 1,618,378.53
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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.