Finding the Fourth Proportional to 3,694,221.09, 5,097,976.61 and 2,062,656.18
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Solution
The fourth proportional to 3,694,221.09, 5,097,976.61 and 2,062,656.18 is: 2,846,438.45
Step by Step Solution
- Step 1: Write the proportion equation
3,694,221.09 : 5,097,976.61 = 2,062,656.18 : x - Step 2: Convert to fraction form
3,694,221.09/5,097,976.61 = 2,062,656.18/x - Step 3: Cross multiply
3,694,221.09x = 5,097,976.61 × 2,062,656.18 - Step 4: Simplify right side
3,694,221.09x = 10,515,372,949,798.67 - Step 5: Solve for x
x = 10,515,372,949,798.67/3,694,221.09 - Step 6: Final answer
x = 2,846,438.45
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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.