Finding the Fourth Proportional to 2,120,093.95, 3,181,191.79 and 840,674.00
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Solution
The fourth proportional to 2,120,093.95, 3,181,191.79 and 840,674.00 is: 1,261,427.70
Step by Step Solution
- Step 1: Write the proportion equation
2,120,093.95 : 3,181,191.79 = 840,674.00 : x - Step 2: Convert to fraction form
2,120,093.95/3,181,191.79 = 840,674.00/x - Step 3: Cross multiply
2,120,093.95x = 3,181,191.79 × 840,674.00 - Step 4: Simplify right side
2,120,093.95x = 2,674,345,232,717.75 - Step 5: Solve for x
x = 2,674,345,232,717.75/2,120,093.95 - Step 6: Final answer
x = 1,261,427.70
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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.