Finding the Fourth Proportional to 4,170,899.20, 6,245,851.20 and 2,743,225.60
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Solution
The fourth proportional to 4,170,899.20, 6,245,851.20 and 2,743,225.60 is: 4,107,934.07
Step by Step Solution
- Step 1: Write the proportion equation
4,170,899.20 : 6,245,851.20 = 2,743,225.60 : x - Step 2: Convert to fraction form
4,170,899.20/6,245,851.20 = 2,743,225.60/x - Step 3: Cross multiply
4,170,899.20x = 6,245,851.20 × 2,743,225.60 - Step 4: Simplify right side
4,170,899.20x = 17,133,778,905,630.72 - Step 5: Solve for x
x = 17,133,778,905,630.72/4,170,899.20 - Step 6: Final answer
x = 4,107,934.07
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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.