Finding the Fourth Proportional to 4,901,511.09, 7,345,540.51 and 3,101,171.68
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Solution
The fourth proportional to 4,901,511.09, 7,345,540.51 and 3,101,171.68 is: 4,647,501.92
Step by Step Solution
- Step 1: Write the proportion equation
4,901,511.09 : 7,345,540.51 = 3,101,171.68 : x - Step 2: Convert to fraction form
4,901,511.09/7,345,540.51 = 3,101,171.68/x - Step 3: Cross multiply
4,901,511.09x = 7,345,540.51 × 3,101,171.68 - Step 4: Simplify right side
4,901,511.09x = 22,779,782,203,904.76 - Step 5: Solve for x
x = 22,779,782,203,904.76/4,901,511.09 - Step 6: Final answer
x = 4,647,501.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.