Finding the Fourth Proportional to 3,388,519.75, 4,676,190.06 and 1,860,659.68
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Solution
The fourth proportional to 3,388,519.75, 4,676,190.06 and 1,860,659.68 is: 2,567,728.37
Step by Step Solution
- Step 1: Write the proportion equation
3,388,519.75 : 4,676,190.06 = 1,860,659.68 : x - Step 2: Convert to fraction form
3,388,519.75/4,676,190.06 = 1,860,659.68/x - Step 3: Cross multiply
3,388,519.75x = 4,676,190.06 × 1,860,659.68 - Step 4: Simplify right side
3,388,519.75x = 8,700,798,300,658.78 - Step 5: Solve for x
x = 8,700,798,300,658.78/3,388,519.75 - Step 6: Final answer
x = 2,567,728.37
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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.