Finding the Fourth Proportional to 3,961,801.80, 5,942,702.70 and 3,908,657.70
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Solution
The fourth proportional to 3,961,801.80, 5,942,702.70 and 3,908,657.70 is: 5,862,986.55
Step by Step Solution
- Step 1: Write the proportion equation
3,961,801.80 : 5,942,702.70 = 3,908,657.70 : x - Step 2: Convert to fraction form
3,961,801.80/5,942,702.70 = 3,908,657.70/x - Step 3: Cross multiply
3,961,801.80x = 5,942,702.70 × 3,908,657.70 - Step 4: Simplify right side
3,961,801.80x = 23,227,990,667,165.79 - Step 5: Solve for x
x = 23,227,990,667,165.79/3,961,801.80 - Step 6: Final answer
x = 5,862,986.55
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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.