Finding the Fourth Proportional to 4,142,660.16, 5,717,048.39 and 2,307,118.44
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Solution
The fourth proportional to 4,142,660.16, 5,717,048.39 and 2,307,118.44 is: 3,183,922.23
Step by Step Solution
- Step 1: Write the proportion equation
4,142,660.16 : 5,717,048.39 = 2,307,118.44 : x - Step 2: Convert to fraction form
4,142,660.16/5,717,048.39 = 2,307,118.44/x - Step 3: Cross multiply
4,142,660.16x = 5,717,048.39 × 2,307,118.44 - Step 4: Simplify right side
4,142,660.16x = 13,189,907,762,941.31 - Step 5: Solve for x
x = 13,189,907,762,941.31/4,142,660.16 - Step 6: Final answer
x = 3,183,922.23
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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.