Finding the Fourth Proportional to 1,471,135.10, 2,030,168.22 and 826,554.92
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Solution
The fourth proportional to 1,471,135.10, 2,030,168.22 and 826,554.92 is: 1,140,646.79
Step by Step Solution
- Step 1: Write the proportion equation
1,471,135.10 : 2,030,168.22 = 826,554.92 : x - Step 2: Convert to fraction form
1,471,135.10/2,030,168.22 = 826,554.92/x - Step 3: Cross multiply
1,471,135.10x = 2,030,168.22 × 826,554.92 - Step 4: Simplify right side
1,471,135.10x = 1,678,045,530,668.64 - Step 5: Solve for x
x = 1,678,045,530,668.64/1,471,135.10 - Step 6: Final answer
x = 1,140,646.79
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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.