Finding the Fourth Proportional to 2,221,544.34, 3,065,745.92 and 1,202,949.09
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Solution
The fourth proportional to 2,221,544.34, 3,065,745.92 and 1,202,949.09 is: 1,660,077.72
Step by Step Solution
- Step 1: Write the proportion equation
2,221,544.34 : 3,065,745.92 = 1,202,949.09 : x - Step 2: Convert to fraction form
2,221,544.34/3,065,745.92 = 1,202,949.09/x - Step 3: Cross multiply
2,221,544.34x = 3,065,745.92 × 1,202,949.09 - Step 4: Simplify right side
2,221,544.34x = 3,687,936,258,620.47 - Step 5: Solve for x
x = 3,687,936,258,620.47/2,221,544.34 - Step 6: Final answer
x = 1,660,077.72
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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.