Finding the Fourth Proportional to 4,920,349.12, 7,380,479.76 and 1,554,556
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Solution
The fourth proportional to 4,920,349.12, 7,380,479.76 and 1,554,556 is: 2,331,820.12
Step by Step Solution
- Step 1: Write the proportion equation
4,920,349.12 : 7,380,479.76 = 1,554,556 : x - Step 2: Convert to fraction form
4,920,349.12/7,380,479.76 = 1,554,556/x - Step 3: Cross multiply
4,920,349.12x = 7,380,479.76 × 1,554,556 - Step 4: Simplify right side
4,920,349.12x = 11,473,369,093,786.56 - Step 5: Solve for x
x = 11,473,369,093,786.56/4,920,349.12 - Step 6: Final answer
x = 2,331,820.12
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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.