Finding the Fourth Proportional to 3,089,162.58, 4,262,163.12 and 1,782,311.19
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Solution
The fourth proportional to 3,089,162.58, 4,262,163.12 and 1,782,311.19 is: 2,459,081.01
Step by Step Solution
- Step 1: Write the proportion equation
3,089,162.58 : 4,262,163.12 = 1,782,311.19 : x - Step 2: Convert to fraction form
3,089,162.58/4,262,163.12 = 1,782,311.19/x - Step 3: Cross multiply
3,089,162.58x = 4,262,163.12 × 1,782,311.19 - Step 4: Simplify right side
3,089,162.58x = 7,596,501,022,381.31 - Step 5: Solve for x
x = 7,596,501,022,381.31/3,089,162.58 - Step 6: Final answer
x = 2,459,081.01
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1.5x scale
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.