Finding the Fourth Proportional to 1,972,197.24, 2,958,739.20 and 624,440.40
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Solution
The fourth proportional to 1,972,197.24, 2,958,739.20 and 624,440.40 is: 936,800.97
Step by Step Solution
- Step 1: Write the proportion equation
1,972,197.24 : 2,958,739.20 = 624,440.40 : x - Step 2: Convert to fraction form
1,972,197.24/2,958,739.20 = 624,440.40/x - Step 3: Cross multiply
1,972,197.24x = 2,958,739.20 × 624,440.40 - Step 4: Simplify right side
1,972,197.24x = 1,847,556,289,543.68 - Step 5: Solve for x
x = 1,847,556,289,543.68/1,972,197.24 - Step 6: Final answer
x = 936,800.97
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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.