Finding the Fourth Proportional to 5,017,687.70, 6,923,853.63 and 2,782,409.01
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Solution
The fourth proportional to 5,017,687.70, 6,923,853.63 and 2,782,409.01 is: 3,839,416.46
Step by Step Solution
- Step 1: Write the proportion equation
5,017,687.70 : 6,923,853.63 = 2,782,409.01 : x - Step 2: Convert to fraction form
5,017,687.70/6,923,853.63 = 2,782,409.01/x - Step 3: Cross multiply
5,017,687.70x = 6,923,853.63 × 2,782,409.01 - Step 4: Simplify right side
5,017,687.70x = 19,264,992,724,033.20 - Step 5: Solve for x
x = 19,264,992,724,033.20/5,017,687.70 - Step 6: Final answer
x = 3,839,416.46
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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.