Finding the Fourth Proportional to 4,186,631.76, 5,777,372.79 and 2,444,397.84
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Solution
The fourth proportional to 4,186,631.76, 5,777,372.79 and 2,444,397.84 is: 3,373,164.49
Step by Step Solution
- Step 1: Write the proportion equation
4,186,631.76 : 5,777,372.79 = 2,444,397.84 : x - Step 2: Convert to fraction form
4,186,631.76/5,777,372.79 = 2,444,397.84/x - Step 3: Cross multiply
4,186,631.76x = 5,777,372.79 × 2,444,397.84 - Step 4: Simplify right side
4,186,631.76x = 14,122,197,568,750.77 - Step 5: Solve for x
x = 14,122,197,568,750.77/4,186,631.76 - Step 6: Final answer
x = 3,373,164.49
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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.