Finding the Fourth Proportional to 2,385,297.82, 3,291,615.99 and 1,297,570.78
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Solution
The fourth proportional to 2,385,297.82, 3,291,615.99 and 1,297,570.78 is: 1,790,596.00
Step by Step Solution
- Step 1: Write the proportion equation
2,385,297.82 : 3,291,615.99 = 1,297,570.78 : x - Step 2: Convert to fraction form
2,385,297.82/3,291,615.99 = 1,297,570.78/x - Step 3: Cross multiply
2,385,297.82x = 3,291,615.99 × 1,297,570.78 - Step 4: Simplify right side
2,385,297.82x = 4,271,104,727,604.77 - Step 5: Solve for x
x = 4,271,104,727,604.77/2,385,297.82 - Step 6: Final answer
x = 1,790,596.00
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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.