Finding the Fourth Proportional to 2,412,306.36, 3,328,987.41 and 1,393,711.92
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Solution
The fourth proportional to 2,412,306.36, 3,328,987.41 and 1,393,711.92 is: 1,923,325.13
Step by Step Solution
- Step 1: Write the proportion equation
2,412,306.36 : 3,328,987.41 = 1,393,711.92 : x - Step 2: Convert to fraction form
2,412,306.36/3,328,987.41 = 1,393,711.92/x - Step 3: Cross multiply
2,412,306.36x = 3,328,987.41 × 1,393,711.92 - Step 4: Simplify right side
2,412,306.36x = 4,639,649,434,846.93 - Step 5: Solve for x
x = 4,639,649,434,846.93/2,412,306.36 - Step 6: Final answer
x = 1,923,325.13
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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.