Finding the Fourth Proportional to 4,372,174.35, 6,549,478.49 and 2,177,131.05
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Solution
The fourth proportional to 4,372,174.35, 6,549,478.49 and 2,177,131.05 is: 3,261,323.05
Step by Step Solution
- Step 1: Write the proportion equation
4,372,174.35 : 6,549,478.49 = 2,177,131.05 : x - Step 2: Convert to fraction form
4,372,174.35/6,549,478.49 = 2,177,131.05/x - Step 3: Cross multiply
4,372,174.35x = 6,549,478.49 × 2,177,131.05 - Step 4: Simplify right side
4,372,174.35x = 14,259,072,981,886.11 - Step 5: Solve for x
x = 14,259,072,981,886.11/4,372,174.35 - Step 6: Final answer
x = 3,261,323.05
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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.