Finding the Fourth Proportional to 5,434,567.80, 8,149,778.10 and 1,646,791.80
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Solution
The fourth proportional to 5,434,567.80, 8,149,778.10 and 1,646,791.80 is: 2,469,559.35
Step by Step Solution
- Step 1: Write the proportion equation
5,434,567.80 : 8,149,778.10 = 1,646,791.80 : x - Step 2: Convert to fraction form
5,434,567.80/8,149,778.10 = 1,646,791.80/x - Step 3: Cross multiply
5,434,567.80x = 8,149,778.10 × 1,646,791.80 - Step 4: Simplify right side
5,434,567.80x = 13,420,987,746,899.58 - Step 5: Solve for x
x = 13,420,987,746,899.58/5,434,567.80 - Step 6: Final answer
x = 2,469,559.35
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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.