Finding the Fourth Proportional to 2,932,576.19, 4,393,137.59 and 1,393,381.20
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Solution
The fourth proportional to 2,932,576.19, 4,393,137.59 and 1,393,381.20 is: 2,087,350.82
Step by Step Solution
- Step 1: Write the proportion equation
2,932,576.19 : 4,393,137.59 = 1,393,381.20 : x - Step 2: Convert to fraction form
2,932,576.19/4,393,137.59 = 1,393,381.20/x - Step 3: Cross multiply
2,932,576.19x = 4,393,137.59 × 1,393,381.20 - Step 4: Simplify right side
2,932,576.19x = 6,121,315,324,778.22 - Step 5: Solve for x
x = 6,121,315,324,778.22/2,932,576.19 - Step 6: Final answer
x = 2,087,350.82
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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.