Finding the Fourth Proportional to 5,012,576.46, 6,917,361.12 and 2,720,736.54
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Solution
The fourth proportional to 5,012,576.46, 6,917,361.12 and 2,720,736.54 is: 3,754,619.47
Step by Step Solution
- Step 1: Write the proportion equation
5,012,576.46 : 6,917,361.12 = 2,720,736.54 : x - Step 2: Convert to fraction form
5,012,576.46/6,917,361.12 = 2,720,736.54/x - Step 3: Cross multiply
5,012,576.46x = 6,917,361.12 × 2,720,736.54 - Step 4: Simplify right side
5,012,576.46x = 18,820,317,159,559.32 - Step 5: Solve for x
x = 18,820,317,159,559.32/5,012,576.46 - Step 6: Final answer
x = 3,754,619.47
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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.