Finding the Fourth Proportional to 2,855,145.51, 3,940,106.49 and 1,565,996.49
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Solution
The fourth proportional to 2,855,145.51, 3,940,106.49 and 1,565,996.49 is: 2,161,078.27
Step by Step Solution
- Step 1: Write the proportion equation
2,855,145.51 : 3,940,106.49 = 1,565,996.49 : x - Step 2: Convert to fraction form
2,855,145.51/3,940,106.49 = 1,565,996.49/x - Step 3: Cross multiply
2,855,145.51x = 3,940,106.49 × 1,565,996.49 - Step 4: Simplify right side
2,855,145.51x = 6,170,192,933,566.22 - Step 5: Solve for x
x = 6,170,192,933,566.22/2,855,145.51 - Step 6: Final answer
x = 2,161,078.27
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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.