Finding the Fourth Proportional to 3,948,632.96, 5,923,310.88 and 1,108,725.98
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Solution
The fourth proportional to 3,948,632.96, 5,923,310.88 and 1,108,725.98 is: 1,663,190.45
Step by Step Solution
- Step 1: Write the proportion equation
3,948,632.96 : 5,923,310.88 = 1,108,725.98 : x - Step 2: Convert to fraction form
3,948,632.96/5,923,310.88 = 1,108,725.98/x - Step 3: Cross multiply
3,948,632.96x = 5,923,310.88 × 1,108,725.98 - Step 4: Simplify right side
3,948,632.96x = 6,567,328,634,813.83 - Step 5: Solve for x
x = 6,567,328,634,813.83/3,948,632.96 - Step 6: Final answer
x = 1,663,190.45
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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.