Finding the Fourth Proportional to 2,887,574.10, 3,985,208.37 and 1,647,489.72
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Solution
The fourth proportional to 2,887,574.10, 3,985,208.37 and 1,647,489.72 is: 2,273,738.99
Step by Step Solution
- Step 1: Write the proportion equation
2,887,574.10 : 3,985,208.37 = 1,647,489.72 : x - Step 2: Convert to fraction form
2,887,574.10/3,985,208.37 = 1,647,489.72/x - Step 3: Cross multiply
2,887,574.10x = 3,985,208.37 × 1,647,489.72 - Step 4: Simplify right side
2,887,574.10x = 6,565,589,821,632.96 - Step 5: Solve for x
x = 6,565,589,821,632.96/2,887,574.10 - Step 6: Final answer
x = 2,273,738.99
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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.