Finding the Fourth Proportional to 4,863,074.97, 7,288,633.68 and 2,728,675.05
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Solution
The fourth proportional to 4,863,074.97, 7,288,633.68 and 2,728,675.05 is: 4,089,657.88
Step by Step Solution
- Step 1: Write the proportion equation
4,863,074.97 : 7,288,633.68 = 2,728,675.05 : x - Step 2: Convert to fraction form
4,863,074.97/7,288,633.68 = 2,728,675.05/x - Step 3: Cross multiply
4,863,074.97x = 7,288,633.68 × 2,728,675.05 - Step 4: Simplify right side
4,863,074.97x = 19,888,312,871,205.68 - Step 5: Solve for x
x = 19,888,312,871,205.68/4,863,074.97 - Step 6: Final answer
x = 4,089,657.88
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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.