Finding the Fourth Proportional to 1,620,551.84, 2,236,378.72 and 895,381.52
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Solution
The fourth proportional to 1,620,551.84, 2,236,378.72 and 895,381.52 is: 1,235,635.99
Step by Step Solution
- Step 1: Write the proportion equation
1,620,551.84 : 2,236,378.72 = 895,381.52 : x - Step 2: Convert to fraction form
1,620,551.84/2,236,378.72 = 895,381.52/x - Step 3: Cross multiply
1,620,551.84x = 2,236,378.72 × 895,381.52 - Step 4: Simplify right side
1,620,551.84x = 2,002,412,177,609.25 - Step 5: Solve for x
x = 2,002,412,177,609.25/1,620,551.84 - Step 6: Final answer
x = 1,235,635.99
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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.