Finding the Fourth Proportional to 3,591,273.84, 5,387,766.12 and 1,347,431.28
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Solution
The fourth proportional to 3,591,273.84, 5,387,766.12 and 1,347,431.28 is: 2,021,467.85
Step by Step Solution
- Step 1: Write the proportion equation
3,591,273.84 : 5,387,766.12 = 1,347,431.28 : x - Step 2: Convert to fraction form
3,591,273.84/5,387,766.12 = 1,347,431.28/x - Step 3: Cross multiply
3,591,273.84x = 5,387,766.12 × 1,347,431.28 - Step 4: Simplify right side
3,591,273.84x = 7,259,644,599,412.24 - Step 5: Solve for x
x = 7,259,644,599,412.24/3,591,273.84 - Step 6: Final answer
x = 2,021,467.85
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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.