Finding the Fourth Proportional to 4,115,236.10, 5,666,069.34 and 3,493,812.14
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Solution
The fourth proportional to 4,115,236.10, 5,666,069.34 and 3,493,812.14 is: 4,810,460.78
Step by Step Solution
- Step 1: Write the proportion equation
4,115,236.10 : 5,666,069.34 = 3,493,812.14 : x - Step 2: Convert to fraction form
4,115,236.10/5,666,069.34 = 3,493,812.14/x - Step 3: Cross multiply
4,115,236.10x = 5,666,069.34 × 3,493,812.14 - Step 4: Simplify right side
4,115,236.10x = 19,796,181,846,173.79 - Step 5: Solve for x
x = 19,796,181,846,173.79/4,115,236.10 - Step 6: Final answer
x = 4,810,460.78
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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.