Finding the Fourth Proportional to 1,871,213.84, 2,806,391.54 and 523,471.44
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Solution
The fourth proportional to 1,871,213.84, 2,806,391.54 and 523,471.44 is: 785,087.09
Step by Step Solution
- Step 1: Write the proportion equation
1,871,213.84 : 2,806,391.54 = 523,471.44 : x - Step 2: Convert to fraction form
1,871,213.84/2,806,391.54 = 523,471.44/x - Step 3: Cross multiply
1,871,213.84x = 2,806,391.54 × 523,471.44 - Step 4: Simplify right side
1,871,213.84x = 1,469,065,832,480.26 - Step 5: Solve for x
x = 1,469,065,832,480.26/1,871,213.84 - Step 6: Final answer
x = 785,087.09
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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.