Finding the Fourth Proportional to 1,969,992.18, 2,719,011.87 and 1,244,378.34
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Solution
The fourth proportional to 1,969,992.18, 2,719,011.87 and 1,244,378.34 is: 1,717,509.09
Step by Step Solution
- Step 1: Write the proportion equation
1,969,992.18 : 2,719,011.87 = 1,244,378.34 : x - Step 2: Convert to fraction form
1,969,992.18/2,719,011.87 = 1,244,378.34/x - Step 3: Cross multiply
1,969,992.18x = 2,719,011.87 × 1,244,378.34 - Step 4: Simplify right side
1,969,992.18x = 3,383,479,477,230.90 - Step 5: Solve for x
x = 3,383,479,477,230.90/1,969,992.18 - Step 6: Final answer
x = 1,717,509.09
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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.