Finding the Fourth Proportional to 1,589,299.17, 2,193,217.56 and 864,147.06
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Solution
The fourth proportional to 1,589,299.17, 2,193,217.56 and 864,147.06 is: 1,192,514.63
Step by Step Solution
- Step 1: Write the proportion equation
1,589,299.17 : 2,193,217.56 = 864,147.06 : x - Step 2: Convert to fraction form
1,589,299.17/2,193,217.56 = 864,147.06/x - Step 3: Cross multiply
1,589,299.17x = 2,193,217.56 × 864,147.06 - Step 4: Simplify right side
1,589,299.17x = 1,895,262,506,414.37 - Step 5: Solve for x
x = 1,895,262,506,414.37/1,589,299.17 - Step 6: Final answer
x = 1,192,514.63
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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.