Finding the Fourth Proportional to 6,173,624.70, 9,261,421.20 and 2,577,540.60
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Solution
The fourth proportional to 6,173,624.70, 9,261,421.20 and 2,577,540.60 is: 3,866,721.79
Step by Step Solution
- Step 1: Write the proportion equation
6,173,624.70 : 9,261,421.20 = 2,577,540.60 : x - Step 2: Convert to fraction form
6,173,624.70/9,261,421.20 = 2,577,540.60/x - Step 3: Cross multiply
6,173,624.70x = 9,261,421.20 × 2,577,540.60 - Step 4: Simplify right side
6,173,624.70x = 23,871,689,156,700.72 - Step 5: Solve for x
x = 23,871,689,156,700.72/6,173,624.70 - Step 6: Final answer
x = 3,866,721.79
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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.