Finding the Fourth Proportional to 5,871,229.20, 8,806,843.80 and 4,079,638.80
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Solution
The fourth proportional to 5,871,229.20, 8,806,843.80 and 4,079,638.80 is: 6,119,458.20
Step by Step Solution
- Step 1: Write the proportion equation
5,871,229.20 : 8,806,843.80 = 4,079,638.80 : x - Step 2: Convert to fraction form
5,871,229.20/8,806,843.80 = 4,079,638.80/x - Step 3: Cross multiply
5,871,229.20x = 8,806,843.80 × 4,079,638.80 - Step 4: Simplify right side
5,871,229.20x = 35,928,741,672,019.44 - Step 5: Solve for x
x = 35,928,741,672,019.44/5,871,229.20 - Step 6: Final answer
x = 6,119,458.20
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1.5x scale
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.