Finding the Fourth Proportional to 2,738,729.60, 3,779,450.08 and 1,498,355.52
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Solution
The fourth proportional to 2,738,729.60, 3,779,450.08 and 1,498,355.52 is: 2,067,732.39
Step by Step Solution
- Step 1: Write the proportion equation
2,738,729.60 : 3,779,450.08 = 1,498,355.52 : x - Step 2: Convert to fraction form
2,738,729.60/3,779,450.08 = 1,498,355.52/x - Step 3: Cross multiply
2,738,729.60x = 3,779,450.08 × 1,498,355.52 - Step 4: Simplify right side
2,738,729.60x = 5,662,959,889,932.44 - Step 5: Solve for x
x = 5,662,959,889,932.44/2,738,729.60 - Step 6: Final answer
x = 2,067,732.39
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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.