Finding the Fourth Proportional to 2,180,711.40, 3,271,554.96 and 664,512.99
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Solution
The fourth proportional to 2,180,711.40, 3,271,554.96 and 664,512.99 is: 996,918.15
Step by Step Solution
- Step 1: Write the proportion equation
2,180,711.40 : 3,271,554.96 = 664,512.99 : x - Step 2: Convert to fraction form
2,180,711.40/3,271,554.96 = 664,512.99/x - Step 3: Cross multiply
2,180,711.40x = 3,271,554.96 × 664,512.99 - Step 4: Simplify right side
2,180,711.40x = 2,173,990,768,418.93 - Step 5: Solve for x
x = 2,173,990,768,418.93/2,180,711.40 - Step 6: Final answer
x = 996,918.15
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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.