Finding the Fourth Proportional to 2,215,644.78, 3,324,027.02 and 618,206.88
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Solution
The fourth proportional to 2,215,644.78, 3,324,027.02 and 618,206.88 is: 927,466.53
Step by Step Solution
- Step 1: Write the proportion equation
2,215,644.78 : 3,324,027.02 = 618,206.88 : x - Step 2: Convert to fraction form
2,215,644.78/3,324,027.02 = 618,206.88/x - Step 3: Cross multiply
2,215,644.78x = 3,324,027.02 × 618,206.88 - Step 4: Simplify right side
2,215,644.78x = 2,054,936,373,069.90 - Step 5: Solve for x
x = 2,054,936,373,069.90/2,215,644.78 - Step 6: Final answer
x = 927,466.53
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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.