Finding the Fourth Proportional to 5,127,806.92, 7,078,552.50 and 3,195,022.44
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Solution
The fourth proportional to 5,127,806.92, 7,078,552.50 and 3,195,022.44 is: 4,410,488.62
Step by Step Solution
- Step 1: Write the proportion equation
5,127,806.92 : 7,078,552.50 = 3,195,022.44 : x - Step 2: Convert to fraction form
5,127,806.92/7,078,552.50 = 3,195,022.44/x - Step 3: Cross multiply
5,127,806.92x = 7,078,552.50 × 3,195,022.44 - Step 4: Simplify right side
5,127,806.92x = 22,616,134,080,218.10 - Step 5: Solve for x
x = 22,616,134,080,218.10/5,127,806.92 - Step 6: Final answer
x = 4,410,488.62
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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.