Finding the Fourth Proportional to 2,212,236.12, 3,053,114.46 and 1,353,367.20
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Solution
The fourth proportional to 2,212,236.12, 3,053,114.46 and 1,353,367.20 is: 1,867,786.59
Step by Step Solution
- Step 1: Write the proportion equation
2,212,236.12 : 3,053,114.46 = 1,353,367.20 : x - Step 2: Convert to fraction form
2,212,236.12/3,053,114.46 = 1,353,367.20/x - Step 3: Cross multiply
2,212,236.12x = 3,053,114.46 × 1,353,367.20 - Step 4: Simplify right side
2,212,236.12x = 4,131,984,968,009.71 - Step 5: Solve for x
x = 4,131,984,968,009.71/2,212,236.12 - Step 6: Final answer
x = 1,867,786.59
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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.