Finding the Fourth Proportional to 3,879,107.91, 5,352,964.63 and 2,225,171.54
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Solution
The fourth proportional to 3,879,107.91, 5,352,964.63 and 2,225,171.54 is: 3,070,619.54
Step by Step Solution
- Step 1: Write the proportion equation
3,879,107.91 : 5,352,964.63 = 2,225,171.54 : x - Step 2: Convert to fraction form
3,879,107.91/5,352,964.63 = 2,225,171.54/x - Step 3: Cross multiply
3,879,107.91x = 5,352,964.63 × 2,225,171.54 - Step 4: Simplify right side
3,879,107.91x = 11,911,264,557,122.11 - Step 5: Solve for x
x = 11,911,264,557,122.11/3,879,107.91 - Step 6: Final answer
x = 3,070,619.54
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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.