Finding the Fourth Proportional to 1,871,242.40, 2,802,716.40 and 1,449,149.60
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Solution
The fourth proportional to 1,871,242.40, 2,802,716.40 and 1,449,149.60 is: 2,170,512.68
Step by Step Solution
- Step 1: Write the proportion equation
1,871,242.40 : 2,802,716.40 = 1,449,149.60 : x - Step 2: Convert to fraction form
1,871,242.40/2,802,716.40 = 1,449,149.60/x - Step 3: Cross multiply
1,871,242.40x = 2,802,716.40 × 1,449,149.60 - Step 4: Simplify right side
1,871,242.40x = 4,061,555,349,973.44 - Step 5: Solve for x
x = 4,061,555,349,973.44/1,871,242.40 - Step 6: Final answer
x = 2,170,512.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.