Finding the Fourth Proportional to 3,813,145.94, 5,261,936.36 and 2,181,378.26
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Solution
The fourth proportional to 3,813,145.94, 5,261,936.36 and 2,181,378.26 is: 3,010,184.70
Step by Step Solution
- Step 1: Write the proportion equation
3,813,145.94 : 5,261,936.36 = 2,181,378.26 : x - Step 2: Convert to fraction form
3,813,145.94/5,261,936.36 = 2,181,378.26/x - Step 3: Cross multiply
3,813,145.94x = 5,261,936.36 × 2,181,378.26 - Step 4: Simplify right side
3,813,145.94x = 11,478,273,581,207.53 - Step 5: Solve for x
x = 11,478,273,581,207.53/3,813,145.94 - Step 6: Final answer
x = 3,010,184.70
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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.