Finding the Fourth Proportional to 1,543,353.96, 2,129,843.38 and 855,040.44
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Solution
The fourth proportional to 1,543,353.96, 2,129,843.38 and 855,040.44 is: 1,179,964.07
Step by Step Solution
- Step 1: Write the proportion equation
1,543,353.96 : 2,129,843.38 = 855,040.44 : x - Step 2: Convert to fraction form
1,543,353.96/2,129,843.38 = 855,040.44/x - Step 3: Cross multiply
1,543,353.96x = 2,129,843.38 × 855,040.44 - Step 4: Simplify right side
1,543,353.96x = 1,821,102,220,766.29 - Step 5: Solve for x
x = 1,821,102,220,766.29/1,543,353.96 - Step 6: Final answer
x = 1,179,964.07
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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.