Finding the Fourth Proportional to 2,147,387.19, 2,963,450.94 and 1,180,541.85
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Solution
The fourth proportional to 2,147,387.19, 2,963,450.94 and 1,180,541.85 is: 1,629,178.88
Step by Step Solution
- Step 1: Write the proportion equation
2,147,387.19 : 2,963,450.94 = 1,180,541.85 : x - Step 2: Convert to fraction form
2,147,387.19/2,963,450.94 = 1,180,541.85/x - Step 3: Cross multiply
2,147,387.19x = 2,963,450.94 × 1,180,541.85 - Step 4: Simplify right side
2,147,387.19x = 3,498,477,855,091.84 - Step 5: Solve for x
x = 3,498,477,855,091.84/2,147,387.19 - Step 6: Final answer
x = 1,629,178.88
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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.