Finding the Fourth Proportional to 2,201,072.70, 3,302,593.20 and 782,147.10
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Solution
The fourth proportional to 2,201,072.70, 3,302,593.20 and 782,147.10 is: 1,173,570.37
Step by Step Solution
- Step 1: Write the proportion equation
2,201,072.70 : 3,302,593.20 = 782,147.10 : x - Step 2: Convert to fraction form
2,201,072.70/3,302,593.20 = 782,147.10/x - Step 3: Cross multiply
2,201,072.70x = 3,302,593.20 × 782,147.10 - Step 4: Simplify right side
2,201,072.70x = 2,583,113,693,859.72 - Step 5: Solve for x
x = 2,583,113,693,859.72/2,201,072.70 - Step 6: Final answer
x = 1,173,570.37
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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.