Finding the Fourth Proportional to 1,620,511.51, 2,236,245.61 and 895,343.62
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Solution
The fourth proportional to 1,620,511.51, 2,236,245.61 and 895,343.62 is: 1,235,540.89
Step by Step Solution
- Step 1: Write the proportion equation
1,620,511.51 : 2,236,245.61 = 895,343.62 : x - Step 2: Convert to fraction form
1,620,511.51/2,236,245.61 = 895,343.62/x - Step 3: Cross multiply
1,620,511.51x = 2,236,245.61 × 895,343.62 - Step 4: Simplify right side
1,620,511.51x = 2,002,208,239,666.51 - Step 5: Solve for x
x = 2,002,208,239,666.51/1,620,511.51 - Step 6: Final answer
x = 1,235,540.89
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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.