Finding the Fourth Proportional to 3,246,365.19, 4,481,418.92 and 1,940,078.19
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Solution
The fourth proportional to 3,246,365.19, 4,481,418.92 and 1,940,078.19 is: 2,678,165.45
Step by Step Solution
- Step 1: Write the proportion equation
3,246,365.19 : 4,481,418.92 = 1,940,078.19 : x - Step 2: Convert to fraction form
3,246,365.19/4,481,418.92 = 1,940,078.19/x - Step 3: Cross multiply
3,246,365.19x = 4,481,418.92 × 1,940,078.19 - Step 4: Simplify right side
3,246,365.19x = 8,694,303,097,244.96 - Step 5: Solve for x
x = 8,694,303,097,244.96/3,246,365.19 - Step 6: Final answer
x = 2,678,165.45
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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.