Finding the Fourth Proportional to 3,844,212.36, 5,305,123.80 and 2,125,443.84
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Solution
The fourth proportional to 3,844,212.36, 5,305,123.80 and 2,125,443.84 is: 2,933,173.73
Step by Step Solution
- Step 1: Write the proportion equation
3,844,212.36 : 5,305,123.80 = 2,125,443.84 : x - Step 2: Convert to fraction form
3,844,212.36/5,305,123.80 = 2,125,443.84/x - Step 3: Cross multiply
3,844,212.36x = 5,305,123.80 × 2,125,443.84 - Step 4: Simplify right side
3,844,212.36x = 11,275,742,701,147.39 - Step 5: Solve for x
x = 11,275,742,701,147.39/3,844,212.36 - Step 6: Final answer
x = 2,933,173.73
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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.