Finding the Fourth Proportional to 3,512,178.93, 4,847,586.65 and 2,135,230.07
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Solution
The fourth proportional to 3,512,178.93, 4,847,586.65 and 2,135,230.07 is: 2,947,091.52
Step by Step Solution
- Step 1: Write the proportion equation
3,512,178.93 : 4,847,586.65 = 2,135,230.07 : x - Step 2: Convert to fraction form
3,512,178.93/4,847,586.65 = 2,135,230.07/x - Step 3: Cross multiply
3,512,178.93x = 4,847,586.65 × 2,135,230.07 - Step 4: Simplify right side
3,512,178.93x = 10,350,712,755,103.59 - Step 5: Solve for x
x = 10,350,712,755,103.59/3,512,178.93 - Step 6: Final answer
x = 2,947,091.52
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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.