Finding the Fourth Proportional to 2,921,702.40, 4,383,865.80 and 1,323,442.80
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Solution
The fourth proportional to 2,921,702.40, 4,383,865.80 and 1,323,442.80 is: 1,985,758.59
Step by Step Solution
- Step 1: Write the proportion equation
2,921,702.40 : 4,383,865.80 = 1,323,442.80 : x - Step 2: Convert to fraction form
2,921,702.40/4,383,865.80 = 1,323,442.80/x - Step 3: Cross multiply
2,921,702.40x = 4,383,865.80 × 1,323,442.80 - Step 4: Simplify right side
2,921,702.40x = 5,801,795,629,176.24 - Step 5: Solve for x
x = 5,801,795,629,176.24/2,921,702.40 - Step 6: Final answer
x = 1,985,758.59
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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.