Finding the Fourth Proportional to 4,190,505, 5,782,624.74 and 2,471,231.40
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Solution
The fourth proportional to 4,190,505, 5,782,624.74 and 2,471,231.40 is: 3,410,138.83
Step by Step Solution
- Step 1: Write the proportion equation
4,190,505 : 5,782,624.74 = 2,471,231.40 : x - Step 2: Convert to fraction form
4,190,505/5,782,624.74 = 2,471,231.40/x - Step 3: Cross multiply
4,190,505x = 5,782,624.74 × 2,471,231.40 - Step 4: Simplify right side
4,190,505x = 14,290,203,831,904.84 - Step 5: Solve for x
x = 14,290,203,831,904.84/4,190,505 - Step 6: Final answer
x = 3,410,138.83
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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.