Finding the Fourth Proportional to 4,150,822.20, 6,227,399.70 and 2,020,975.80
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Solution
The fourth proportional to 4,150,822.20, 6,227,399.70 and 2,020,975.80 is: 3,032,031.60
Step by Step Solution
- Step 1: Write the proportion equation
4,150,822.20 : 6,227,399.70 = 2,020,975.80 : x - Step 2: Convert to fraction form
4,150,822.20/6,227,399.70 = 2,020,975.80/x - Step 3: Cross multiply
4,150,822.20x = 6,227,399.70 × 2,020,975.80 - Step 4: Simplify right side
4,150,822.20x = 12,585,424,090,627.26 - Step 5: Solve for x
x = 12,585,424,090,627.26/4,150,822.20 - Step 6: Final answer
x = 3,032,031.60
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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.