Finding the Fourth Proportional to 3,271,210.20, 4,906,815.30 and 3,124,243.80
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Solution
The fourth proportional to 3,271,210.20, 4,906,815.30 and 3,124,243.80 is: 4,686,365.70
Step by Step Solution
- Step 1: Write the proportion equation
3,271,210.20 : 4,906,815.30 = 3,124,243.80 : x - Step 2: Convert to fraction form
3,271,210.20/4,906,815.30 = 3,124,243.80/x - Step 3: Cross multiply
3,271,210.20x = 4,906,815.30 × 3,124,243.80 - Step 4: Simplify right side
3,271,210.20x = 15,330,087,278,770.14 - Step 5: Solve for x
x = 15,330,087,278,770.14/3,271,210.20 - Step 6: Final answer
x = 4,686,365.70
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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.