Finding the Fourth Proportional to 2,340,857.80, 3,512,453.10 and 1,330,755.40
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Solution
The fourth proportional to 2,340,857.80, 3,512,453.10 and 1,330,755.40 is: 1,996,796.19
Step by Step Solution
- Step 1: Write the proportion equation
2,340,857.80 : 3,512,453.10 = 1,330,755.40 : x - Step 2: Convert to fraction form
2,340,857.80/3,512,453.10 = 1,330,755.40/x - Step 3: Cross multiply
2,340,857.80x = 3,512,453.10 × 1,330,755.40 - Step 4: Simplify right side
2,340,857.80x = 4,674,215,930,071.74 - Step 5: Solve for x
x = 4,674,215,930,071.74/2,340,857.80 - Step 6: Final answer
x = 1,996,796.19
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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.