Finding the Fourth Proportional to 1,843,208.80, 2,765,279.84 and 513,512.80
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Solution
The fourth proportional to 1,843,208.80, 2,765,279.84 and 513,512.80 is: 770,399.20
Step by Step Solution
- Step 1: Write the proportion equation
1,843,208.80 : 2,765,279.84 = 513,512.80 : x - Step 2: Convert to fraction form
1,843,208.80/2,765,279.84 = 513,512.80/x - Step 3: Cross multiply
1,843,208.80x = 2,765,279.84 × 513,512.80 - Step 4: Simplify right side
1,843,208.80x = 1,420,006,593,421.95 - Step 5: Solve for x
x = 1,420,006,593,421.95/1,843,208.80 - Step 6: Final answer
x = 770,399.20
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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.