Finding the Fourth Proportional to 2,783,682.40, 4,175,912.40 and 1,186,232.80
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Solution
The fourth proportional to 2,783,682.40, 4,175,912.40 and 1,186,232.80 is: 1,779,514.88
Step by Step Solution
- Step 1: Write the proportion equation
2,783,682.40 : 4,175,912.40 = 1,186,232.80 : x - Step 2: Convert to fraction form
2,783,682.40/4,175,912.40 = 1,186,232.80/x - Step 3: Cross multiply
2,783,682.40x = 4,175,912.40 × 1,186,232.80 - Step 4: Simplify right side
2,783,682.40x = 4,953,604,258,806.72 - Step 5: Solve for x
x = 4,953,604,258,806.72/2,783,682.40 - Step 6: Final answer
x = 1,779,514.88
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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.