Finding the Fourth Proportional to 2,305,531.11, 3,451,210.07 and 1,965,408.87
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Solution
The fourth proportional to 2,305,531.11, 3,451,210.07 and 1,965,408.87 is: 2,942,072.15
Step by Step Solution
- Step 1: Write the proportion equation
2,305,531.11 : 3,451,210.07 = 1,965,408.87 : x - Step 2: Convert to fraction form
2,305,531.11/3,451,210.07 = 1,965,408.87/x - Step 3: Cross multiply
2,305,531.11x = 3,451,210.07 × 1,965,408.87 - Step 4: Simplify right side
2,305,531.11x = 6,783,038,873,984.28 - Step 5: Solve for x
x = 6,783,038,873,984.28/2,305,531.11 - Step 6: Final answer
x = 2,942,072.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.