Finding the Fourth Proportional to 3,871,975.73, 5,348,790.51 and 3,102,716.70
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Solution
The fourth proportional to 3,871,975.73, 5,348,790.51 and 3,102,716.70 is: 4,286,127.50
Step by Step Solution
- Step 1: Write the proportion equation
3,871,975.73 : 5,348,790.51 = 3,102,716.70 : x - Step 2: Convert to fraction form
3,871,975.73/5,348,790.51 = 3,102,716.70/x - Step 3: Cross multiply
3,871,975.73x = 5,348,790.51 × 3,102,716.70 - Step 4: Simplify right side
3,871,975.73x = 16,595,781,640,178.52 - Step 5: Solve for x
x = 16,595,781,640,178.52/3,871,975.73 - Step 6: Final answer
x = 4,286,127.50
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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.