Finding the Fourth Proportional to 3,212,386.73, 4,809,112.76 and 2,813,805.98
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Solution
The fourth proportional to 3,212,386.73, 4,809,112.76 and 2,813,805.98 is: 4,212,416.31
Step by Step Solution
- Step 1: Write the proportion equation
3,212,386.73 : 4,809,112.76 = 2,813,805.98 : x - Step 2: Convert to fraction form
3,212,386.73/4,809,112.76 = 2,813,805.98/x - Step 3: Cross multiply
3,212,386.73x = 4,809,112.76 × 2,813,805.98 - Step 4: Simplify right side
3,212,386.73x = 13,531,910,225,571.26 - Step 5: Solve for x
x = 13,531,910,225,571.26/3,212,386.73 - Step 6: Final answer
x = 4,212,416.31
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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.