Finding the Fourth Proportional to 1,589,825.64, 2,193,107.70 and 1,105,550.04
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Solution
The fourth proportional to 1,589,825.64, 2,193,107.70 and 1,105,550.04 is: 1,525,066.80
Step by Step Solution
- Step 1: Write the proportion equation
1,589,825.64 : 2,193,107.70 = 1,105,550.04 : x - Step 2: Convert to fraction form
1,589,825.64/2,193,107.70 = 1,105,550.04/x - Step 3: Cross multiply
1,589,825.64x = 2,193,107.70 × 1,105,550.04 - Step 4: Simplify right side
1,589,825.64x = 2,424,590,305,459.31 - Step 5: Solve for x
x = 2,424,590,305,459.31/1,589,825.64 - Step 6: Final answer
x = 1,525,066.80
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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.