Finding the Fourth Proportional to 3,826,118.75, 5,279,801.65 and 2,107,239.26
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Solution
The fourth proportional to 3,826,118.75, 5,279,801.65 and 2,107,239.26 is: 2,907,856.77
Step by Step Solution
- Step 1: Write the proportion equation
3,826,118.75 : 5,279,801.65 = 2,107,239.26 : x - Step 2: Convert to fraction form
3,826,118.75/5,279,801.65 = 2,107,239.26/x - Step 3: Cross multiply
3,826,118.75x = 5,279,801.65 × 2,107,239.26 - Step 4: Simplify right side
3,826,118.75x = 11,125,805,290,225.67 - Step 5: Solve for x
x = 11,125,805,290,225.67/3,826,118.75 - Step 6: Final answer
x = 2,907,856.77
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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.