Finding the Fourth Proportional to 3,086,402.63, 4,629,604.44 and 1,288,305.21
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Solution
The fourth proportional to 3,086,402.63, 4,629,604.44 and 1,288,305.21 is: 1,932,458.02
Step by Step Solution
- Step 1: Write the proportion equation
3,086,402.63 : 4,629,604.44 = 1,288,305.21 : x - Step 2: Convert to fraction form
3,086,402.63/4,629,604.44 = 1,288,305.21/x - Step 3: Cross multiply
3,086,402.63x = 4,629,604.44 × 1,288,305.21 - Step 4: Simplify right side
3,086,402.63x = 5,964,343,520,291.13 - Step 5: Solve for x
x = 5,964,343,520,291.13/3,086,402.63 - Step 6: Final answer
x = 1,932,458.02
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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.