Finding the Fourth Proportional to 1,869,010.97, 2,579,236.16 and 1,009,571.23
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Solution
The fourth proportional to 1,869,010.97, 2,579,236.16 and 1,009,571.23 is: 1,393,208.85
Step by Step Solution
- Step 1: Write the proportion equation
1,869,010.97 : 2,579,236.16 = 1,009,571.23 : x - Step 2: Convert to fraction form
1,869,010.97/2,579,236.16 = 1,009,571.23/x - Step 3: Cross multiply
1,869,010.97x = 2,579,236.16 × 1,009,571.23 - Step 4: Simplify right side
1,869,010.97x = 2,603,922,622,511.68 - Step 5: Solve for x
x = 2,603,922,622,511.68/1,869,010.97 - Step 6: Final answer
x = 1,393,208.85
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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.