Finding the Fourth Proportional to 6,212,828.99, 9,314,913.42 and 2,752,687.92
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Solution
The fourth proportional to 6,212,828.99, 9,314,913.42 and 2,752,687.92 is: 4,127,113.38
Step by Step Solution
- Step 1: Write the proportion equation
6,212,828.99 : 9,314,913.42 = 2,752,687.92 : x - Step 2: Convert to fraction form
6,212,828.99/9,314,913.42 = 2,752,687.92/x - Step 3: Cross multiply
6,212,828.99x = 9,314,913.42 × 2,752,687.92 - Step 4: Simplify right side
6,212,828.99x = 25,641,049,682,010.81 - Step 5: Solve for x
x = 25,641,049,682,010.81/6,212,828.99 - Step 6: Final answer
x = 4,127,113.38
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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.