Finding the Fourth Proportional to 4,223,628.38, 6,335,112.09 and 1,190,871.74
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Solution
The fourth proportional to 4,223,628.38, 6,335,112.09 and 1,190,871.74 is: 1,786,214.43
Step by Step Solution
- Step 1: Write the proportion equation
4,223,628.38 : 6,335,112.09 = 1,190,871.74 : x - Step 2: Convert to fraction form
4,223,628.38/6,335,112.09 = 1,190,871.74/x - Step 3: Cross multiply
4,223,628.38x = 6,335,112.09 × 1,190,871.74 - Step 4: Simplify right side
4,223,628.38x = 7,544,305,957,713.34 - Step 5: Solve for x
x = 7,544,305,957,713.34/4,223,628.38 - Step 6: Final answer
x = 1,786,214.43
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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.