Finding the Fourth Proportional to 5,431,083.40, 8,125,629.90 and 3,541,515.40
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Solution
The fourth proportional to 5,431,083.40, 8,125,629.90 and 3,541,515.40 is: 5,298,582.49
Step by Step Solution
- Step 1: Write the proportion equation
5,431,083.40 : 8,125,629.90 = 3,541,515.40 : x - Step 2: Convert to fraction form
5,431,083.40/8,125,629.90 = 3,541,515.40/x - Step 3: Cross multiply
5,431,083.40x = 8,125,629.90 × 3,541,515.40 - Step 4: Simplify right side
5,431,083.40x = 28,777,043,425,550.46 - Step 5: Solve for x
x = 28,777,043,425,550.46/5,431,083.40 - Step 6: Final answer
x = 5,298,582.49
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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.