Finding the Fourth Proportional to 1,467,706.80, 2,201,560.20 and 521,173.20
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Solution
The fourth proportional to 1,467,706.80, 2,201,560.20 and 521,173.20 is: 781,759.80
Step by Step Solution
- Step 1: Write the proportion equation
1,467,706.80 : 2,201,560.20 = 521,173.20 : x - Step 2: Convert to fraction form
1,467,706.80/2,201,560.20 = 521,173.20/x - Step 3: Cross multiply
1,467,706.80x = 2,201,560.20 × 521,173.20 - Step 4: Simplify right side
1,467,706.80x = 1,147,394,174,426.64 - Step 5: Solve for x
x = 1,147,394,174,426.64/1,467,706.80 - Step 6: Final answer
x = 781,759.80
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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.