Finding the Fourth Proportional to 2,948,175.63, 4,068,469.42 and 1,659,037.55
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Solution
The fourth proportional to 2,948,175.63, 4,068,469.42 and 1,659,037.55 is: 2,289,464.52
Step by Step Solution
- Step 1: Write the proportion equation
2,948,175.63 : 4,068,469.42 = 1,659,037.55 : x - Step 2: Convert to fraction form
2,948,175.63/4,068,469.42 = 1,659,037.55/x - Step 3: Cross multiply
2,948,175.63x = 4,068,469.42 × 1,659,037.55 - Step 4: Simplify right side
2,948,175.63x = 6,749,743,514,316.78 - Step 5: Solve for x
x = 6,749,743,514,316.78/2,948,175.63 - Step 6: Final answer
x = 2,289,464.52
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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.