Finding the Fourth Proportional to 3,229,721.12, 4,845,529.12 and 955,305.60
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Solution
The fourth proportional to 3,229,721.12, 4,845,529.12 and 955,305.60 is: 1,433,238.64
Step by Step Solution
- Step 1: Write the proportion equation
3,229,721.12 : 4,845,529.12 = 955,305.60 : x - Step 2: Convert to fraction form
3,229,721.12/4,845,529.12 = 955,305.60/x - Step 3: Cross multiply
3,229,721.12x = 4,845,529.12 × 955,305.60 - Step 4: Simplify right side
3,229,721.12x = 4,628,961,103,299.07 - Step 5: Solve for x
x = 4,628,961,103,299.07/3,229,721.12 - Step 6: Final answer
x = 1,433,238.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.