Finding the Fourth Proportional to 2,212,234.62, 3,053,112.39 and 1,353,365.70
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Solution
The fourth proportional to 2,212,234.62, 3,053,112.39 and 1,353,365.70 is: 1,867,784.52
Step by Step Solution
- Step 1: Write the proportion equation
2,212,234.62 : 3,053,112.39 = 1,353,365.70 : x - Step 2: Convert to fraction form
2,212,234.62/3,053,112.39 = 1,353,365.70/x - Step 3: Cross multiply
2,212,234.62x = 3,053,112.39 × 1,353,365.70 - Step 4: Simplify right side
2,212,234.62x = 4,131,977,586,871.02 - Step 5: Solve for x
x = 4,131,977,586,871.02/2,212,234.62 - Step 6: Final answer
x = 1,867,784.52
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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.