Finding the Fourth Proportional to 3,659,279.28, 5,048,149.41 and 2,208,510.96
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Solution
The fourth proportional to 3,659,279.28, 5,048,149.41 and 2,208,510.96 is: 3,046,745.67
Step by Step Solution
- Step 1: Write the proportion equation
3,659,279.28 : 5,048,149.41 = 2,208,510.96 : x - Step 2: Convert to fraction form
3,659,279.28/5,048,149.41 = 2,208,510.96/x - Step 3: Cross multiply
3,659,279.28x = 5,048,149.41 × 2,208,510.96 - Step 4: Simplify right side
3,659,279.28x = 11,148,893,299,702.53 - Step 5: Solve for x
x = 11,148,893,299,702.53/3,659,279.28 - Step 6: Final answer
x = 3,046,745.67
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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.