Finding the Fourth Proportional to 4,239,478.20, 6,350,922.90 and 2,551,567.80
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Solution
The fourth proportional to 4,239,478.20, 6,350,922.90 and 2,551,567.80 is: 3,822,359.64
Step by Step Solution
- Step 1: Write the proportion equation
4,239,478.20 : 6,350,922.90 = 2,551,567.80 : x - Step 2: Convert to fraction form
4,239,478.20/6,350,922.90 = 2,551,567.80/x - Step 3: Cross multiply
4,239,478.20x = 6,350,922.90 × 2,551,567.80 - Step 4: Simplify right side
4,239,478.20x = 16,204,810,371,922.62 - Step 5: Solve for x
x = 16,204,810,371,922.62/4,239,478.20 - Step 6: Final answer
x = 3,822,359.64
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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.