Finding the Fourth Proportional to 3,954,838.67, 5,457,628.21 and 2,323,394.75
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Solution
The fourth proportional to 3,954,838.67, 5,457,628.21 and 2,323,394.75 is: 3,206,255.88
Step by Step Solution
- Step 1: Write the proportion equation
3,954,838.67 : 5,457,628.21 = 2,323,394.75 : x - Step 2: Convert to fraction form
3,954,838.67/5,457,628.21 = 2,323,394.75/x - Step 3: Cross multiply
3,954,838.67x = 5,457,628.21 × 2,323,394.75 - Step 4: Simplify right side
3,954,838.67x = 12,680,224,730,565.90 - Step 5: Solve for x
x = 12,680,224,730,565.90/3,954,838.67 - Step 6: Final answer
x = 3,206,255.88
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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.