Finding the Fourth Proportional to 2,128,850.58, 3,193,764.88 and 612,546.08
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Solution
The fourth proportional to 2,128,850.58, 3,193,764.88 and 612,546.08 is: 918,959.83
Step by Step Solution
- Step 1: Write the proportion equation
2,128,850.58 : 3,193,764.88 = 612,546.08 : x - Step 2: Convert to fraction form
2,128,850.58/3,193,764.88 = 612,546.08/x - Step 3: Cross multiply
2,128,850.58x = 3,193,764.88 × 612,546.08 - Step 4: Simplify right side
2,128,850.58x = 1,956,328,157,685.67 - Step 5: Solve for x
x = 1,956,328,157,685.67/2,128,850.58 - Step 6: Final answer
x = 918,959.83
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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.