Finding the Fourth Proportional to 4,380,841.80, 6,571,262.70 and 1,540,584.90
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Solution
The fourth proportional to 4,380,841.80, 6,571,262.70 and 1,540,584.90 is: 2,310,877.35
Step by Step Solution
- Step 1: Write the proportion equation
4,380,841.80 : 6,571,262.70 = 1,540,584.90 : x - Step 2: Convert to fraction form
4,380,841.80/6,571,262.70 = 1,540,584.90/x - Step 3: Cross multiply
4,380,841.80x = 6,571,262.70 × 1,540,584.90 - Step 4: Simplify right side
4,380,841.80x = 10,123,588,089,553.23 - Step 5: Solve for x
x = 10,123,588,089,553.23/4,380,841.80 - Step 6: Final answer
x = 2,310,877.35
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1.5x scale
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.