Finding the Fourth Proportional to 2,037,039.21, 3,067,745.34 and 1,855,438.92
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Solution
The fourth proportional to 2,037,039.21, 3,067,745.34 and 1,855,438.92 is: 2,794,258.49
Step by Step Solution
- Step 1: Write the proportion equation
2,037,039.21 : 3,067,745.34 = 1,855,438.92 : x - Step 2: Convert to fraction form
2,037,039.21/3,067,745.34 = 1,855,438.92/x - Step 3: Cross multiply
2,037,039.21x = 3,067,745.34 × 1,855,438.92 - Step 4: Simplify right side
2,037,039.21x = 5,692,014,100,484.63 - Step 5: Solve for x
x = 5,692,014,100,484.63/2,037,039.21 - Step 6: Final answer
x = 2,794,258.49
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.