Finding the Fourth Proportional to 2,442,687.12, 3,370,911.12 and 1,424,288.70
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Solution
The fourth proportional to 2,442,687.12, 3,370,911.12 and 1,424,288.70 is: 1,965,520.09
Step by Step Solution
- Step 1: Write the proportion equation
2,442,687.12 : 3,370,911.12 = 1,424,288.70 : x - Step 2: Convert to fraction form
2,442,687.12/3,370,911.12 = 1,424,288.70/x - Step 3: Cross multiply
2,442,687.12x = 3,370,911.12 × 1,424,288.70 - Step 4: Simplify right side
2,442,687.12x = 4,801,150,616,920.34 - Step 5: Solve for x
x = 4,801,150,616,920.34/2,442,687.12 - Step 6: Final answer
x = 1,965,520.09
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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.