Finding the Fourth Proportional to 2,971,546.61, 4,100,692.25 and 1,682,353.49
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Solution
The fourth proportional to 2,971,546.61, 4,100,692.25 and 1,682,353.49 is: 2,321,623.99
Step by Step Solution
- Step 1: Write the proportion equation
2,971,546.61 : 4,100,692.25 = 1,682,353.49 : x - Step 2: Convert to fraction form
2,971,546.61/4,100,692.25 = 1,682,353.49/x - Step 3: Cross multiply
2,971,546.61x = 4,100,692.25 × 1,682,353.49 - Step 4: Simplify right side
2,971,546.61x = 6,898,813,909,791.69 - Step 5: Solve for x
x = 6,898,813,909,791.69/2,971,546.61 - Step 6: Final answer
x = 2,321,623.99
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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.