Finding the Fourth Proportional to 2,993,167.68, 4,122,174.24 and 2,801,057.28
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Solution
The fourth proportional to 2,993,167.68, 4,122,174.24 and 2,801,057.28 is: 3,857,600.84
Step by Step Solution
- Step 1: Write the proportion equation
2,993,167.68 : 4,122,174.24 = 2,801,057.28 : x - Step 2: Convert to fraction form
2,993,167.68/4,122,174.24 = 2,801,057.28/x - Step 3: Cross multiply
2,993,167.68x = 4,122,174.24 × 2,801,057.28 - Step 4: Simplify right side
2,993,167.68x = 11,546,446,164,380.47 - Step 5: Solve for x
x = 11,546,446,164,380.47/2,993,167.68 - Step 6: Final answer
x = 3,857,600.84
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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.