Finding the Fourth Proportional to 4,124,067.36, 6,190,626.32 and 3,276,586.68
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Solution
The fourth proportional to 4,124,067.36, 6,190,626.32 and 3,276,586.68 is: 4,918,475.37
Step by Step Solution
- Step 1: Write the proportion equation
4,124,067.36 : 6,190,626.32 = 3,276,586.68 : x - Step 2: Convert to fraction form
4,124,067.36/6,190,626.32 = 3,276,586.68/x - Step 3: Cross multiply
4,124,067.36x = 6,190,626.32 × 3,276,586.68 - Step 4: Simplify right side
4,124,067.36x = 20,284,123,740,969.42 - Step 5: Solve for x
x = 20,284,123,740,969.42/4,124,067.36 - Step 6: Final answer
x = 4,918,475.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.