Finding the Fourth Proportional to 2,608,634.79, 3,599,912.70 and 1,447,257.24
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Solution
The fourth proportional to 2,608,634.79, 3,599,912.70 and 1,447,257.24 is: 1,997,213.15
Step by Step Solution
- Step 1: Write the proportion equation
2,608,634.79 : 3,599,912.70 = 1,447,257.24 : x - Step 2: Convert to fraction form
2,608,634.79/3,599,912.70 = 1,447,257.24/x - Step 3: Cross multiply
2,608,634.79x = 3,599,912.70 × 1,447,257.24 - Step 4: Simplify right side
2,608,634.79x = 5,209,999,718,442.95 - Step 5: Solve for x
x = 5,209,999,718,442.95/2,608,634.79 - Step 6: Final answer
x = 1,997,213.15
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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.