Finding the Fourth Proportional to 2,879,912.39, 3,974,202.97 and 1,590,725.09
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Solution
The fourth proportional to 2,879,912.39, 3,974,202.97 and 1,590,725.09 is: 2,195,158.58
Step by Step Solution
- Step 1: Write the proportion equation
2,879,912.39 : 3,974,202.97 = 1,590,725.09 : x - Step 2: Convert to fraction form
2,879,912.39/3,974,202.97 = 1,590,725.09/x - Step 3: Cross multiply
2,879,912.39x = 3,974,202.97 × 1,590,725.09 - Step 4: Simplify right side
2,879,912.39x = 6,321,864,383,090.21 - Step 5: Solve for x
x = 6,321,864,383,090.21/2,879,912.39 - Step 6: Final answer
x = 2,195,158.58
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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.