Finding the Fourth Proportional to 3,378,427.36, 4,660,932.48 and 1,928,203.36
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Solution
The fourth proportional to 3,378,427.36, 4,660,932.48 and 1,928,203.36 is: 2,660,180.23
Step by Step Solution
- Step 1: Write the proportion equation
3,378,427.36 : 4,660,932.48 = 1,928,203.36 : x - Step 2: Convert to fraction form
3,378,427.36/4,660,932.48 = 1,928,203.36/x - Step 3: Cross multiply
3,378,427.36x = 4,660,932.48 × 1,928,203.36 - Step 4: Simplify right side
3,378,427.36x = 8,987,225,668,669.14 - Step 5: Solve for x
x = 8,987,225,668,669.14/3,378,427.36 - Step 6: Final answer
x = 2,660,180.23
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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.