Finding the Fourth Proportional to 1,467,515.70, 2,201,273.55 and 1,201,795.20
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Solution
The fourth proportional to 1,467,515.70, 2,201,273.55 and 1,201,795.20 is: 1,802,692.80
Step by Step Solution
- Step 1: Write the proportion equation
1,467,515.70 : 2,201,273.55 = 1,201,795.20 : x - Step 2: Convert to fraction form
1,467,515.70/2,201,273.55 = 1,201,795.20/x - Step 3: Cross multiply
1,467,515.70x = 2,201,273.55 × 1,201,795.20 - Step 4: Simplify right side
1,467,515.70x = 2,645,479,986,276.96 - Step 5: Solve for x
x = 2,645,479,986,276.96/1,467,515.70 - Step 6: Final answer
x = 1,802,692.80
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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.