Finding the Fourth Proportional to 3,651,836.42, 5,477,756.79 and 1,376,742.98
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Solution
The fourth proportional to 3,651,836.42, 5,477,756.79 and 1,376,742.98 is: 2,065,115.28
Step by Step Solution
- Step 1: Write the proportion equation
3,651,836.42 : 5,477,756.79 = 1,376,742.98 : x - Step 2: Convert to fraction form
3,651,836.42/5,477,756.79 = 1,376,742.98/x - Step 3: Cross multiply
3,651,836.42x = 5,477,756.79 × 1,376,742.98 - Step 4: Simplify right side
3,651,836.42x = 7,541,463,206,779.83 - Step 5: Solve for x
x = 7,541,463,206,779.83/3,651,836.42 - Step 6: Final answer
x = 2,065,115.28
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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.