Finding the Fourth Proportional to 4,160,608.60, 6,240,912.90 and 1,634,963.80
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Solution
The fourth proportional to 4,160,608.60, 6,240,912.90 and 1,634,963.80 is: 2,452,445.70
Step by Step Solution
- Step 1: Write the proportion equation
4,160,608.60 : 6,240,912.90 = 1,634,963.80 : x - Step 2: Convert to fraction form
4,160,608.60/6,240,912.90 = 1,634,963.80/x - Step 3: Cross multiply
4,160,608.60x = 6,240,912.90 × 1,634,963.80 - Step 4: Simplify right side
4,160,608.60x = 10,203,666,670,453.02 - Step 5: Solve for x
x = 10,203,666,670,453.02/4,160,608.60 - Step 6: Final answer
x = 2,452,445.70
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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.