Finding the Fourth Proportional to 2,420,112.97, 3,339,629.07 and 1,332,172.06
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Solution
The fourth proportional to 2,420,112.97, 3,339,629.07 and 1,332,172.06 is: 1,838,327.63
Step by Step Solution
- Step 1: Write the proportion equation
2,420,112.97 : 3,339,629.07 = 1,332,172.06 : x - Step 2: Convert to fraction form
2,420,112.97/3,339,629.07 = 1,332,172.06/x - Step 3: Cross multiply
2,420,112.97x = 3,339,629.07 × 1,332,172.06 - Step 4: Simplify right side
2,420,112.97x = 4,448,960,537,817.78 - Step 5: Solve for x
x = 4,448,960,537,817.78/2,420,112.97 - Step 6: Final answer
x = 1,838,327.63
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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.