Finding the Fourth Proportional to 1,609,082.80, 2,413,948.20 and 471,842.80
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Solution
The fourth proportional to 1,609,082.80, 2,413,948.20 and 471,842.80 is: 707,859.21
Step by Step Solution
- Step 1: Write the proportion equation
1,609,082.80 : 2,413,948.20 = 471,842.80 : x - Step 2: Convert to fraction form
1,609,082.80/2,413,948.20 = 471,842.80/x - Step 3: Cross multiply
1,609,082.80x = 2,413,948.20 × 471,842.80 - Step 4: Simplify right side
1,609,082.80x = 1,139,004,077,742.96 - Step 5: Solve for x
x = 1,139,004,077,742.96/1,609,082.80 - Step 6: Final answer
x = 707,859.21
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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.