Finding the Fourth Proportional to 2,990,378.88, 4,485,526.08 and 1,392,048
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Solution
The fourth proportional to 2,990,378.88, 4,485,526.08 and 1,392,048 is: 2,088,052.34
Step by Step Solution
- Step 1: Write the proportion equation
2,990,378.88 : 4,485,526.08 = 1,392,048 : x - Step 2: Convert to fraction form
2,990,378.88/4,485,526.08 = 1,392,048/x - Step 3: Cross multiply
2,990,378.88x = 4,485,526.08 × 1,392,048 - Step 4: Simplify right side
2,990,378.88x = 6,244,067,608,611.84 - Step 5: Solve for x
x = 6,244,067,608,611.84/2,990,378.88 - Step 6: Final answer
x = 2,088,052.34
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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.