Finding the Fourth Proportional to 3,215,452.18, 4,437,161.05 and 1,908,760.07
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Solution
The fourth proportional to 3,215,452.18, 4,437,161.05 and 1,908,760.07 is: 2,633,992.16
Step by Step Solution
- Step 1: Write the proportion equation
3,215,452.18 : 4,437,161.05 = 1,908,760.07 : x - Step 2: Convert to fraction form
3,215,452.18/4,437,161.05 = 1,908,760.07/x - Step 3: Cross multiply
3,215,452.18x = 4,437,161.05 × 1,908,760.07 - Step 4: Simplify right side
3,215,452.18x = 8,469,475,836,399.27 - Step 5: Solve for x
x = 8,469,475,836,399.27/3,215,452.18 - Step 6: Final answer
x = 2,633,992.16
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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.