Finding the Fourth Proportional to 1,768,272.75, 2,440,216.44 and 963,456.75
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Solution
The fourth proportional to 1,768,272.75, 2,440,216.44 and 963,456.75 is: 1,329,570.34
Step by Step Solution
- Step 1: Write the proportion equation
1,768,272.75 : 2,440,216.44 = 963,456.75 : x - Step 2: Convert to fraction form
1,768,272.75/2,440,216.44 = 963,456.75/x - Step 3: Cross multiply
1,768,272.75x = 2,440,216.44 × 963,456.75 - Step 4: Simplify right side
1,768,272.75x = 2,351,043,000,578.97 - Step 5: Solve for x
x = 2,351,043,000,578.97/1,768,272.75 - Step 6: Final answer
x = 1,329,570.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.