Finding the Fourth Proportional to 2,272,139.24, 3,135,829.68 and 1,305,267.48
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Solution
The fourth proportional to 2,272,139.24, 3,135,829.68 and 1,305,267.48 is: 1,801,428.56
Step by Step Solution
- Step 1: Write the proportion equation
2,272,139.24 : 3,135,829.68 = 1,305,267.48 : x - Step 2: Convert to fraction form
2,272,139.24/3,135,829.68 = 1,305,267.48/x - Step 3: Cross multiply
2,272,139.24x = 3,135,829.68 × 1,305,267.48 - Step 4: Simplify right side
2,272,139.24x = 4,093,096,504,122.81 - Step 5: Solve for x
x = 4,093,096,504,122.81/2,272,139.24 - Step 6: Final answer
x = 1,801,428.56
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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.