Finding the Fourth Proportional to 1,620,586.40, 2,236,396.16 and 895,431.20
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Solution
The fourth proportional to 1,620,586.40, 2,236,396.16 and 895,431.20 is: 1,235,687.83
Step by Step Solution
- Step 1: Write the proportion equation
1,620,586.40 : 2,236,396.16 = 895,431.20 : x - Step 2: Convert to fraction form
1,620,586.40/2,236,396.16 = 895,431.20/x - Step 3: Cross multiply
1,620,586.40x = 2,236,396.16 × 895,431.20 - Step 4: Simplify right side
1,620,586.40x = 2,002,538,897,224.19 - Step 5: Solve for x
x = 2,002,538,897,224.19/1,620,586.40 - Step 6: Final answer
x = 1,235,687.83
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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.