Finding the Fourth Proportional to 3,165,768.36, 4,748,618.34 and 769,615.80
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Solution
The fourth proportional to 3,165,768.36, 4,748,618.34 and 769,615.80 is: 1,154,415.39
Step by Step Solution
- Step 1: Write the proportion equation
3,165,768.36 : 4,748,618.34 = 769,615.80 : x - Step 2: Convert to fraction form
3,165,768.36/4,748,618.34 = 769,615.80/x - Step 3: Cross multiply
3,165,768.36x = 4,748,618.34 × 769,615.80 - Step 4: Simplify right side
3,165,768.36x = 3,654,611,702,633.77 - Step 5: Solve for x
x = 3,654,611,702,633.77/3,165,768.36 - Step 6: Final answer
x = 1,154,415.39
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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.