Finding the Fourth Proportional to 4,227,475.12, 6,338,515.34 and 2,786,494.84
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Solution
The fourth proportional to 4,227,475.12, 6,338,515.34 and 2,786,494.84 is: 4,177,964.34
Step by Step Solution
- Step 1: Write the proportion equation
4,227,475.12 : 6,338,515.34 = 2,786,494.84 : x - Step 2: Convert to fraction form
4,227,475.12/6,338,515.34 = 2,786,494.84/x - Step 3: Cross multiply
4,227,475.12x = 6,338,515.34 × 2,786,494.84 - Step 4: Simplify right side
4,227,475.12x = 17,662,240,279,290.79 - Step 5: Solve for x
x = 17,662,240,279,290.79/4,227,475.12 - Step 6: Final answer
x = 4,177,964.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.