Finding the Fourth Proportional to 3,781,770.13, 5,672,704.60 and 1,257,425.38
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Solution
The fourth proportional to 3,781,770.13, 5,672,704.60 and 1,257,425.38 is: 1,886,154.49
Step by Step Solution
- Step 1: Write the proportion equation
3,781,770.13 : 5,672,704.60 = 1,257,425.38 : x - Step 2: Convert to fraction form
3,781,770.13/5,672,704.60 = 1,257,425.38/x - Step 3: Cross multiply
3,781,770.13x = 5,672,704.60 × 1,257,425.38 - Step 4: Simplify right side
3,781,770.13x = 7,133,002,708,919.23 - Step 5: Solve for x
x = 7,133,002,708,919.23/3,781,770.13 - Step 6: Final answer
x = 1,886,154.49
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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.