Finding the Fourth Proportional to 4,231,059.77, 5,839,378.90 and 2,488,646.09
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Solution
The fourth proportional to 4,231,059.77, 5,839,378.90 and 2,488,646.09 is: 3,434,635.35
Step by Step Solution
- Step 1: Write the proportion equation
4,231,059.77 : 5,839,378.90 = 2,488,646.09 : x - Step 2: Convert to fraction form
4,231,059.77/5,839,378.90 = 2,488,646.09/x - Step 3: Cross multiply
4,231,059.77x = 5,839,378.90 × 2,488,646.09 - Step 4: Simplify right side
4,231,059.77x = 14,532,147,475,890.33 - Step 5: Solve for x
x = 14,532,147,475,890.33/4,231,059.77 - Step 6: Final answer
x = 3,434,635.35
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1.5x scale
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.