Finding the Fourth Proportional to 1,635,670.26, 2,451,910.68 and 782,519.22
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Solution
The fourth proportional to 1,635,670.26, 2,451,910.68 and 782,519.22 is: 1,173,015.91
Step by Step Solution
- Step 1: Write the proportion equation
1,635,670.26 : 2,451,910.68 = 782,519.22 : x - Step 2: Convert to fraction form
1,635,670.26/2,451,910.68 = 782,519.22/x - Step 3: Cross multiply
1,635,670.26x = 2,451,910.68 × 782,519.22 - Step 4: Simplify right side
1,635,670.26x = 1,918,667,232,823.27 - Step 5: Solve for x
x = 1,918,667,232,823.27/1,635,670.26 - Step 6: Final answer
x = 1,173,015.91
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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.