Finding the Fourth Proportional to 4,152,975.20, 6,230,629.20 and 2,023,128.80
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Solution
The fourth proportional to 4,152,975.20, 6,230,629.20 and 2,023,128.80 is: 3,035,261.41
Step by Step Solution
- Step 1: Write the proportion equation
4,152,975.20 : 6,230,629.20 = 2,023,128.80 : x - Step 2: Convert to fraction form
4,152,975.20/6,230,629.20 = 2,023,128.80/x - Step 3: Cross multiply
4,152,975.20x = 6,230,629.20 × 2,023,128.80 - Step 4: Simplify right side
4,152,975.20x = 12,605,365,376,640.96 - Step 5: Solve for x
x = 12,605,365,376,640.96/4,152,975.20 - Step 6: Final answer
x = 3,035,261.41
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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.