Finding the Fourth Proportional to 2,059,615.20, 3,090,297.60 and 994,108.80
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Solution
The fourth proportional to 2,059,615.20, 3,090,297.60 and 994,108.80 is: 1,491,585.44
Step by Step Solution
- Step 1: Write the proportion equation
2,059,615.20 : 3,090,297.60 = 994,108.80 : x - Step 2: Convert to fraction form
2,059,615.20/3,090,297.60 = 994,108.80/x - Step 3: Cross multiply
2,059,615.20x = 3,090,297.60 × 994,108.80 - Step 4: Simplify right side
2,059,615.20x = 3,072,092,038,778.88 - Step 5: Solve for x
x = 3,072,092,038,778.88/2,059,615.20 - Step 6: Final answer
x = 1,491,585.44
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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.