Finding the Fourth Proportional to 1,381,385.41, 2,072,539.27 and 612,777.08
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Solution
The fourth proportional to 1,381,385.41, 2,072,539.27 and 612,777.08 is: 919,370.19
Step by Step Solution
- Step 1: Write the proportion equation
1,381,385.41 : 2,072,539.27 = 612,777.08 : x - Step 2: Convert to fraction form
1,381,385.41/2,072,539.27 = 612,777.08/x - Step 3: Cross multiply
1,381,385.41x = 2,072,539.27 × 612,777.08 - Step 4: Simplify right side
1,381,385.41x = 1,270,004,568,003.25 - Step 5: Solve for x
x = 1,270,004,568,003.25/1,381,385.41 - Step 6: Final answer
x = 919,370.19
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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.