Finding the Fourth Proportional to 5,065,559.12, 6,990,474.49 and 2,742,452.24
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Solution
The fourth proportional to 5,065,559.12, 6,990,474.49 and 2,742,452.24 is: 3,784,585.66
Step by Step Solution
- Step 1: Write the proportion equation
5,065,559.12 : 6,990,474.49 = 2,742,452.24 : x - Step 2: Convert to fraction form
5,065,559.12/6,990,474.49 = 2,742,452.24/x - Step 3: Cross multiply
5,065,559.12x = 6,990,474.49 × 2,742,452.24 - Step 4: Simplify right side
5,065,559.12x = 19,171,042,399,405.80 - Step 5: Solve for x
x = 19,171,042,399,405.80/5,065,559.12 - Step 6: Final answer
x = 3,784,585.66
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1.5x scale
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.