Finding the Fourth Proportional to 3,909,580.09, 5,392,021.75 and 2,751,858.83
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Solution
The fourth proportional to 3,909,580.09, 5,392,021.75 and 2,751,858.83 is: 3,795,313.65
Step by Step Solution
- Step 1: Write the proportion equation
3,909,580.09 : 5,392,021.75 = 2,751,858.83 : x - Step 2: Convert to fraction form
3,909,580.09/5,392,021.75 = 2,751,858.83/x - Step 3: Cross multiply
3,909,580.09x = 5,392,021.75 × 2,751,858.83 - Step 4: Simplify right side
3,909,580.09x = 14,838,082,664,289.55 - Step 5: Solve for x
x = 14,838,082,664,289.55/3,909,580.09 - Step 6: Final answer
x = 3,795,313.65
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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.