Finding the Fourth Proportional to 1,909,452.11, 2,863,565.58 and 629,771.90
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Solution
The fourth proportional to 1,909,452.11, 2,863,565.58 and 629,771.90 is: 944,455.81
Step by Step Solution
- Step 1: Write the proportion equation
1,909,452.11 : 2,863,565.58 = 629,771.90 : x - Step 2: Convert to fraction form
1,909,452.11/2,863,565.58 = 629,771.90/x - Step 3: Cross multiply
1,909,452.11x = 2,863,565.58 × 629,771.90 - Step 4: Simplify right side
1,909,452.11x = 1,803,393,136,091.20 - Step 5: Solve for x
x = 1,803,393,136,091.20/1,909,452.11 - Step 6: Final answer
x = 944,455.81
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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.