Finding the Fourth Proportional to 3,674,371.55, 5,070,396.18 and 2,042,736.96
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Solution
The fourth proportional to 3,674,371.55, 5,070,396.18 and 2,042,736.96 is: 2,818,845.50
Step by Step Solution
- Step 1: Write the proportion equation
3,674,371.55 : 5,070,396.18 = 2,042,736.96 : x - Step 2: Convert to fraction form
3,674,371.55/5,070,396.18 = 2,042,736.96/x - Step 3: Cross multiply
3,674,371.55x = 5,070,396.18 × 2,042,736.96 - Step 4: Simplify right side
3,674,371.55x = 10,357,485,678,728.81 - Step 5: Solve for x
x = 10,357,485,678,728.81/3,674,371.55 - Step 6: Final answer
x = 2,818,845.50
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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.