Finding the Fourth Proportional to 6,220,258.99, 8,583,997.48 and 3,467,121.24
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Solution
The fourth proportional to 6,220,258.99, 8,583,997.48 and 3,467,121.24 is: 4,784,649.65
Step by Step Solution
- Step 1: Write the proportion equation
6,220,258.99 : 8,583,997.48 = 3,467,121.24 : x - Step 2: Convert to fraction form
6,220,258.99/8,583,997.48 = 3,467,121.24/x - Step 3: Cross multiply
6,220,258.99x = 8,583,997.48 × 3,467,121.24 - Step 4: Simplify right side
6,220,258.99x = 29,761,759,987,014.48 - Step 5: Solve for x
x = 29,761,759,987,014.48/6,220,258.99 - Step 6: Final answer
x = 4,784,649.65
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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.