Finding the Fourth Proportional to 3,244,382.79, 4,477,277.26 and 1,794,175.80
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Solution
The fourth proportional to 3,244,382.79, 4,477,277.26 and 1,794,175.80 is: 2,475,978.65
Step by Step Solution
- Step 1: Write the proportion equation
3,244,382.79 : 4,477,277.26 = 1,794,175.80 : x - Step 2: Convert to fraction form
3,244,382.79/4,477,277.26 = 1,794,175.80/x - Step 3: Cross multiply
3,244,382.79x = 4,477,277.26 × 1,794,175.80 - Step 4: Simplify right side
3,244,382.79x = 8,033,022,509,782.31 - Step 5: Solve for x
x = 8,033,022,509,782.31/3,244,382.79 - Step 6: Final answer
x = 2,475,978.65
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1.5x scale
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.