Finding the Fourth Proportional to 3,727,068.76, 5,143,189.26 and 2,279,190.52
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Solution
The fourth proportional to 3,727,068.76, 5,143,189.26 and 2,279,190.52 is: 3,145,181.63
Step by Step Solution
- Step 1: Write the proportion equation
3,727,068.76 : 5,143,189.26 = 2,279,190.52 : x - Step 2: Convert to fraction form
3,727,068.76/5,143,189.26 = 2,279,190.52/x - Step 3: Cross multiply
3,727,068.76x = 5,143,189.26 × 2,279,190.52 - Step 4: Simplify right side
3,727,068.76x = 11,722,308,203,957.81 - Step 5: Solve for x
x = 11,722,308,203,957.81/3,727,068.76 - Step 6: Final answer
x = 3,145,181.63
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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.