Finding the Fourth Proportional to 4,485,766.34, 6,726,285.12 and 1,958,469.14
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Solution
The fourth proportional to 4,485,766.34, 6,726,285.12 and 1,958,469.14 is: 2,936,671.43
Step by Step Solution
- Step 1: Write the proportion equation
4,485,766.34 : 6,726,285.12 = 1,958,469.14 : x - Step 2: Convert to fraction form
4,485,766.34/6,726,285.12 = 1,958,469.14/x - Step 3: Cross multiply
4,485,766.34x = 6,726,285.12 × 1,958,469.14 - Step 4: Simplify right side
4,485,766.34x = 13,173,221,834,361.20 - Step 5: Solve for x
x = 13,173,221,834,361.20/4,485,766.34 - Step 6: Final answer
x = 2,936,671.43
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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.