Finding the Fourth Proportional to 2,439,993.60, 3,364,198.02 and 1,979,805.06
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Solution
The fourth proportional to 2,439,993.60, 3,364,198.02 and 1,979,805.06 is: 2,729,702.35
Step by Step Solution
- Step 1: Write the proportion equation
2,439,993.60 : 3,364,198.02 = 1,979,805.06 : x - Step 2: Convert to fraction form
2,439,993.60/3,364,198.02 = 1,979,805.06/x - Step 3: Cross multiply
2,439,993.60x = 3,364,198.02 × 1,979,805.06 - Step 4: Simplify right side
2,439,993.60x = 6,660,456,262,837.98 - Step 5: Solve for x
x = 6,660,456,262,837.98/2,439,993.60 - Step 6: Final answer
x = 2,729,702.35
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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.