Finding the Fourth Proportional to 5,811,842.76, 8,020,141.14 and 3,198,102.60
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Solution
The fourth proportional to 5,811,842.76, 8,020,141.14 and 3,198,102.60 is: 4,413,270.50
Step by Step Solution
- Step 1: Write the proportion equation
5,811,842.76 : 8,020,141.14 = 3,198,102.60 : x - Step 2: Convert to fraction form
5,811,842.76/8,020,141.14 = 3,198,102.60/x - Step 3: Cross multiply
5,811,842.76x = 8,020,141.14 × 3,198,102.60 - Step 4: Simplify right side
5,811,842.76x = 25,649,234,232,200.96 - Step 5: Solve for x
x = 25,649,234,232,200.96/5,811,842.76 - Step 6: Final answer
x = 4,413,270.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.