Finding the Fourth Proportional to 5,213,461.44, 7,818,274.08 and 1,800,879.60
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Solution
The fourth proportional to 5,213,461.44, 7,818,274.08 and 1,800,879.60 is: 2,700,656.84
Step by Step Solution
- Step 1: Write the proportion equation
5,213,461.44 : 7,818,274.08 = 1,800,879.60 : x - Step 2: Convert to fraction form
5,213,461.44/7,818,274.08 = 1,800,879.60/x - Step 3: Cross multiply
5,213,461.44x = 7,818,274.08 × 1,800,879.60 - Step 4: Simplify right side
5,213,461.44x = 14,079,770,297,880.77 - Step 5: Solve for x
x = 14,079,770,297,880.77/5,213,461.44 - Step 6: Final answer
x = 2,700,656.84
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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.