Finding the Fourth Proportional to 2,381,135.54, 3,286,028.17 and 1,293,469.37
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Solution
The fourth proportional to 2,381,135.54, 3,286,028.17 and 1,293,469.37 is: 1,785,020.92
Step by Step Solution
- Step 1: Write the proportion equation
2,381,135.54 : 3,286,028.17 = 1,293,469.37 : x - Step 2: Convert to fraction form
2,381,135.54/3,286,028.17 = 1,293,469.37/x - Step 3: Cross multiply
2,381,135.54x = 3,286,028.17 × 1,293,469.37 - Step 4: Simplify right side
2,381,135.54x = 4,250,376,767,188.34 - Step 5: Solve for x
x = 4,250,376,767,188.34/2,381,135.54 - Step 6: Final answer
x = 1,785,020.92
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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.