Finding the Fourth Proportional to 4,332,390.75, 5,978,699.64 and 2,372,392.44
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Solution
The fourth proportional to 4,332,390.75, 5,978,699.64 and 2,372,392.44 is: 3,273,901.79
Step by Step Solution
- Step 1: Write the proportion equation
4,332,390.75 : 5,978,699.64 = 2,372,392.44 : x - Step 2: Convert to fraction form
4,332,390.75/5,978,699.64 = 2,372,392.44/x - Step 3: Cross multiply
4,332,390.75x = 5,978,699.64 × 2,372,392.44 - Step 4: Simplify right side
4,332,390.75x = 14,183,821,826,966.72 - Step 5: Solve for x
x = 14,183,821,826,966.72/4,332,390.75 - Step 6: Final answer
x = 3,273,901.79
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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.