Finding the Fourth Proportional to 4,618,733.24, 6,372,451.98 and 3,223,257.75
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Solution
The fourth proportional to 4,618,733.24, 6,372,451.98 and 3,223,257.75 is: 4,447,118.76
Step by Step Solution
- Step 1: Write the proportion equation
4,618,733.24 : 6,372,451.98 = 3,223,257.75 : x - Step 2: Convert to fraction form
4,618,733.24/6,372,451.98 = 3,223,257.75/x - Step 3: Cross multiply
4,618,733.24x = 6,372,451.98 × 3,223,257.75 - Step 4: Simplify right side
4,618,733.24x = 20,540,055,231,037.85 - Step 5: Solve for x
x = 20,540,055,231,037.85/4,618,733.24 - Step 6: Final answer
x = 4,447,118.76
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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.