Finding the Fourth Proportional to 3,781,770.19, 5,672,704.69 and 1,257,425.44
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Solution
The fourth proportional to 3,781,770.19, 5,672,704.69 and 1,257,425.44 is: 1,886,154.58
Step by Step Solution
- Step 1: Write the proportion equation
3,781,770.19 : 5,672,704.69 = 1,257,425.44 : x - Step 2: Convert to fraction form
3,781,770.19/5,672,704.69 = 1,257,425.44/x - Step 3: Cross multiply
3,781,770.19x = 5,672,704.69 × 1,257,425.44 - Step 4: Simplify right side
3,781,770.19x = 7,133,003,178,203.33 - Step 5: Solve for x
x = 7,133,003,178,203.33/3,781,770.19 - Step 6: Final answer
x = 1,886,154.58
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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.