Finding the Fourth Proportional to 5,622,716.48, 7,759,313.36 and 3,044,389.28
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Solution
The fourth proportional to 5,622,716.48, 7,759,313.36 and 3,044,389.28 is: 4,201,238.05
Step by Step Solution
- Step 1: Write the proportion equation
5,622,716.48 : 7,759,313.36 = 3,044,389.28 : x - Step 2: Convert to fraction form
5,622,716.48/7,759,313.36 = 3,044,389.28/x - Step 3: Cross multiply
5,622,716.48x = 7,759,313.36 × 3,044,389.28 - Step 4: Simplify right side
5,622,716.48x = 23,622,370,413,344.78 - Step 5: Solve for x
x = 23,622,370,413,344.78/5,622,716.48 - Step 6: Final answer
x = 4,201,238.05
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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.