Finding the Fourth Proportional to 3,179,256.26, 4,385,149.76 and 2,091,180.02
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Solution
The fourth proportional to 3,179,256.26, 4,385,149.76 and 2,091,180.02 is: 2,884,365.65
Step by Step Solution
- Step 1: Write the proportion equation
3,179,256.26 : 4,385,149.76 = 2,091,180.02 : x - Step 2: Convert to fraction form
3,179,256.26/4,385,149.76 = 2,091,180.02/x - Step 3: Cross multiply
3,179,256.26x = 4,385,149.76 × 2,091,180.02 - Step 4: Simplify right side
3,179,256.26x = 9,170,137,562,819.80 - Step 5: Solve for x
x = 9,170,137,562,819.80/3,179,256.26 - Step 6: Final answer
x = 2,884,365.65
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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.