Finding the Fourth Proportional to 1,620,343.75, 2,236,119.52 and 895,238.23
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Solution
The fourth proportional to 1,620,343.75, 2,236,119.52 and 895,238.23 is: 1,235,453.70
Step by Step Solution
- Step 1: Write the proportion equation
1,620,343.75 : 2,236,119.52 = 895,238.23 : x - Step 2: Convert to fraction form
1,620,343.75/2,236,119.52 = 895,238.23/x - Step 3: Cross multiply
1,620,343.75x = 2,236,119.52 × 895,238.23 - Step 4: Simplify right side
1,620,343.75x = 2,001,859,681,153.25 - Step 5: Solve for x
x = 2,001,859,681,153.25/1,620,343.75 - Step 6: Final answer
x = 1,235,453.70
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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.