Finding the Fourth Proportional to 2,871,251.70, 3,962,503.85 and 1,582,091.75
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Solution
The fourth proportional to 2,871,251.70, 3,962,503.85 and 1,582,091.75 is: 2,183,383.87
Step by Step Solution
- Step 1: Write the proportion equation
2,871,251.70 : 3,962,503.85 = 1,582,091.75 : x - Step 2: Convert to fraction form
2,871,251.70/3,962,503.85 = 1,582,091.75/x - Step 3: Cross multiply
2,871,251.70x = 3,962,503.85 × 1,582,091.75 - Step 4: Simplify right side
2,871,251.70x = 6,269,044,650,428.24 - Step 5: Solve for x
x = 6,269,044,650,428.24/2,871,251.70 - Step 6: Final answer
x = 2,183,383.87
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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.