Finding the Fourth Proportional to 1,613,538.80, 2,416,621.80 and 949,986.80
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Solution
The fourth proportional to 1,613,538.80, 2,416,621.80 and 949,986.80 is: 1,422,809.80
Step by Step Solution
- Step 1: Write the proportion equation
1,613,538.80 : 2,416,621.80 = 949,986.80 : x - Step 2: Convert to fraction form
1,613,538.80/2,416,621.80 = 949,986.80/x - Step 3: Cross multiply
1,613,538.80x = 2,416,621.80 × 949,986.80 - Step 4: Simplify right side
1,613,538.80x = 2,295,758,810,592.24 - Step 5: Solve for x
x = 2,295,758,810,592.24/1,613,538.80 - Step 6: Final answer
x = 1,422,809.80
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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.