Finding the Fourth Proportional to 4,478,055.44, 6,174,832.91 and 3,025,228.30
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Solution
The fourth proportional to 4,478,055.44, 6,174,832.91 and 3,025,228.30 is: 4,171,515.85
Step by Step Solution
- Step 1: Write the proportion equation
4,478,055.44 : 6,174,832.91 = 3,025,228.30 : x - Step 2: Convert to fraction form
4,478,055.44/6,174,832.91 = 3,025,228.30/x - Step 3: Cross multiply
4,478,055.44x = 6,174,832.91 × 3,025,228.30 - Step 4: Simplify right side
4,478,055.44x = 18,680,279,236,540.13 - Step 5: Solve for x
x = 18,680,279,236,540.13/4,478,055.44 - Step 6: Final answer
x = 4,171,515.85
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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.