Finding the Fourth Proportional to 3,997,574.48, 5,995,972.92 and 2,199,866.96
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Solution
The fourth proportional to 3,997,574.48, 5,995,972.92 and 2,199,866.96 is: 3,299,586.48
Step by Step Solution
- Step 1: Write the proportion equation
3,997,574.48 : 5,995,972.92 = 2,199,866.96 : x - Step 2: Convert to fraction form
3,997,574.48/5,995,972.92 = 2,199,866.96/x - Step 3: Cross multiply
3,997,574.48x = 5,995,972.92 × 2,199,866.96 - Step 4: Simplify right side
3,997,574.48x = 13,190,342,719,762.72 - Step 5: Solve for x
x = 13,190,342,719,762.72/3,997,574.48 - Step 6: Final answer
x = 3,299,586.48
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1.5x scale
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.