Finding the Fourth Proportional to 5,065,535.49, 6,990,450.50 and 2,742,452.46
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Solution
The fourth proportional to 5,065,535.49, 6,990,450.50 and 2,742,452.46 is: 3,784,590.63
Step by Step Solution
- Step 1: Write the proportion equation
5,065,535.49 : 6,990,450.50 = 2,742,452.46 : x - Step 2: Convert to fraction form
5,065,535.49/6,990,450.50 = 2,742,452.46/x - Step 3: Cross multiply
5,065,535.49x = 6,990,450.50 × 2,742,452.46 - Step 4: Simplify right side
5,065,535.49x = 19,170,978,121,568.71 - Step 5: Solve for x
x = 19,170,978,121,568.71/5,065,535.49 - Step 6: Final answer
x = 3,784,590.63
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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.