Finding the Fourth Proportional to 3,315,512.20, 4,975,725.90 and 2,193,208.20
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Solution
The fourth proportional to 3,315,512.20, 4,975,725.90 and 2,193,208.20 is: 3,291,438.00
Step by Step Solution
- Step 1: Write the proportion equation
3,315,512.20 : 4,975,725.90 = 2,193,208.20 : x - Step 2: Convert to fraction form
3,315,512.20/4,975,725.90 = 2,193,208.20/x - Step 3: Cross multiply
3,315,512.20x = 4,975,725.90 × 2,193,208.20 - Step 4: Simplify right side
3,315,512.20x = 10,912,802,844,832.38 - Step 5: Solve for x
x = 10,912,802,844,832.38/3,315,512.20 - Step 6: Final answer
x = 3,291,438.00
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1.5x scale
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.