Finding the Fourth Proportional to 5,164,208.01, 7,126,463.97 and 2,809,327.68
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Solution
The fourth proportional to 5,164,208.01, 7,126,463.97 and 2,809,327.68 is: 3,876,794.36
Step by Step Solution
- Step 1: Write the proportion equation
5,164,208.01 : 7,126,463.97 = 2,809,327.68 : x - Step 2: Convert to fraction form
5,164,208.01/7,126,463.97 = 2,809,327.68/x - Step 3: Cross multiply
5,164,208.01x = 7,126,463.97 × 2,809,327.68 - Step 4: Simplify right side
5,164,208.01x = 20,020,572,491,443.69 - Step 5: Solve for x
x = 20,020,572,491,443.69/5,164,208.01 - Step 6: Final answer
x = 3,876,794.36
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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.