Finding the Fourth Proportional to 1,613,435.76, 2,420,173.08 and 491,514.48
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Solution
The fourth proportional to 1,613,435.76, 2,420,173.08 and 491,514.48 is: 737,277.64
Step by Step Solution
- Step 1: Write the proportion equation
1,613,435.76 : 2,420,173.08 = 491,514.48 : x - Step 2: Convert to fraction form
1,613,435.76/2,420,173.08 = 491,514.48/x - Step 3: Cross multiply
1,613,435.76x = 2,420,173.08 × 491,514.48 - Step 4: Simplify right side
1,613,435.76x = 1,189,550,112,926.20 - Step 5: Solve for x
x = 1,189,550,112,926.20/1,613,435.76 - Step 6: Final answer
x = 737,277.64
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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.