Finding the Fourth Proportional to 4,009,958.84, 5,533,231.74 and 2,291,190.68
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Solution
The fourth proportional to 4,009,958.84, 5,533,231.74 and 2,291,190.68 is: 3,161,550.90
Step by Step Solution
- Step 1: Write the proportion equation
4,009,958.84 : 5,533,231.74 = 2,291,190.68 : x - Step 2: Convert to fraction form
4,009,958.84/5,533,231.74 = 2,291,190.68/x - Step 3: Cross multiply
4,009,958.84x = 5,533,231.74 × 2,291,190.68 - Step 4: Simplify right side
4,009,958.84x = 12,677,688,992,968.19 - Step 5: Solve for x
x = 12,677,688,992,968.19/4,009,958.84 - Step 6: Final answer
x = 3,161,550.90
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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.