Finding the Fourth Proportional to 4,857,933.99, 6,704,539.98 and 2,820,743.43
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Solution
The fourth proportional to 4,857,933.99, 6,704,539.98 and 2,820,743.43 is: 3,892,969.14
Step by Step Solution
- Step 1: Write the proportion equation
4,857,933.99 : 6,704,539.98 = 2,820,743.43 : x - Step 2: Convert to fraction form
4,857,933.99/6,704,539.98 = 2,820,743.43/x - Step 3: Cross multiply
4,857,933.99x = 6,704,539.98 × 2,820,743.43 - Step 4: Simplify right side
4,857,933.99x = 18,911,787,099,757.33 - Step 5: Solve for x
x = 18,911,787,099,757.33/4,857,933.99 - Step 6: Final answer
x = 3,892,969.14
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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.