Finding the Fourth Proportional to 2,855,351.08, 3,940,494.78 and 1,566,245.80
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Solution
The fourth proportional to 2,855,351.08, 3,940,494.78 and 1,566,245.80 is: 2,161,479.70
Step by Step Solution
- Step 1: Write the proportion equation
2,855,351.08 : 3,940,494.78 = 1,566,245.80 : x - Step 2: Convert to fraction form
2,855,351.08/3,940,494.78 = 1,566,245.80/x - Step 3: Cross multiply
2,855,351.08x = 3,940,494.78 × 1,566,245.80 - Step 4: Simplify right side
2,855,351.08x = 6,171,783,399,096.92 - Step 5: Solve for x
x = 6,171,783,399,096.92/2,855,351.08 - Step 6: Final answer
x = 2,161,479.70
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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.