Finding the Fourth Proportional to 2,137,147.96, 3,202,930.68 and 1,629,851.44
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Solution
The fourth proportional to 2,137,147.96, 3,202,930.68 and 1,629,851.44 is: 2,442,648.46
Step by Step Solution
- Step 1: Write the proportion equation
2,137,147.96 : 3,202,930.68 = 1,629,851.44 : x - Step 2: Convert to fraction form
2,137,147.96/3,202,930.68 = 1,629,851.44/x - Step 3: Cross multiply
2,137,147.96x = 3,202,930.68 × 1,629,851.44 - Step 4: Simplify right side
2,137,147.96x = 5,220,301,181,018.18 - Step 5: Solve for x
x = 5,220,301,181,018.18/2,137,147.96 - Step 6: Final answer
x = 2,442,648.46
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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.