Finding the Fourth Proportional to 1,383,455.92, 2,061,430.84 and 1,232,536.44
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Solution
The fourth proportional to 1,383,455.92, 2,061,430.84 and 1,232,536.44 is: 1,836,551.92
Step by Step Solution
- Step 1: Write the proportion equation
1,383,455.92 : 2,061,430.84 = 1,232,536.44 : x - Step 2: Convert to fraction form
1,383,455.92/2,061,430.84 = 1,232,536.44/x - Step 3: Cross multiply
1,383,455.92x = 2,061,430.84 × 1,232,536.44 - Step 4: Simplify right side
1,383,455.92x = 2,540,788,628,839.81 - Step 5: Solve for x
x = 2,540,788,628,839.81/1,383,455.92 - Step 6: Final answer
x = 1,836,551.92
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.