Finding the Fourth Proportional to 1,661,679.26, 2,492,518.90 and 399,506.88
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Solution
The fourth proportional to 1,661,679.26, 2,492,518.90 and 399,506.88 is: 599,260.32
Step by Step Solution
- Step 1: Write the proportion equation
1,661,679.26 : 2,492,518.90 = 399,506.88 : x - Step 2: Convert to fraction form
1,661,679.26/2,492,518.90 = 399,506.88/x - Step 3: Cross multiply
1,661,679.26x = 2,492,518.90 × 399,506.88 - Step 4: Simplify right side
1,661,679.26x = 995,778,449,080.03 - Step 5: Solve for x
x = 995,778,449,080.03/1,661,679.26 - Step 6: Final answer
x = 599,260.32
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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.