Finding the Fourth Proportional to 2,990,474.11, 4,485,494.26 and 1,168,496.56
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Solution
The fourth proportional to 2,990,474.11, 4,485,494.26 and 1,168,496.56 is: 1,752,660.09
Step by Step Solution
- Step 1: Write the proportion equation
2,990,474.11 : 4,485,494.26 = 1,168,496.56 : x - Step 2: Convert to fraction form
2,990,474.11/4,485,494.26 = 1,168,496.56/x - Step 3: Cross multiply
2,990,474.11x = 4,485,494.26 × 1,168,496.56 - Step 4: Simplify right side
2,990,474.11x = 5,241,284,612,709.75 - Step 5: Solve for x
x = 5,241,284,612,709.75/2,990,474.11 - Step 6: Final answer
x = 1,752,660.09
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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.