Finding the Fourth Proportional to 2,212,914.09, 3,053,896.92 and 1,295,228.64
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Solution
The fourth proportional to 2,212,914.09, 3,053,896.92 and 1,295,228.64 is: 1,787,459.70
Step by Step Solution
- Step 1: Write the proportion equation
2,212,914.09 : 3,053,896.92 = 1,295,228.64 : x - Step 2: Convert to fraction form
2,212,914.09/3,053,896.92 = 1,295,228.64/x - Step 3: Cross multiply
2,212,914.09x = 3,053,896.92 × 1,295,228.64 - Step 4: Simplify right side
2,212,914.09x = 3,955,494,754,391.79 - Step 5: Solve for x
x = 3,955,494,754,391.79/2,212,914.09 - Step 6: Final answer
x = 1,787,459.70
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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.