Finding the Fourth Proportional to 4,811,422.05, 6,639,768.05 and 2,606,289.33
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Solution
The fourth proportional to 4,811,422.05, 6,639,768.05 and 2,606,289.33 is: 3,596,682.32
Step by Step Solution
- Step 1: Write the proportion equation
4,811,422.05 : 6,639,768.05 = 2,606,289.33 : x - Step 2: Convert to fraction form
4,811,422.05/6,639,768.05 = 2,606,289.33/x - Step 3: Cross multiply
4,811,422.05x = 6,639,768.05 × 2,606,289.33 - Step 4: Simplify right side
4,811,422.05x = 17,305,156,622,389.91 - Step 5: Solve for x
x = 17,305,156,622,389.91/4,811,422.05 - Step 6: Final answer
x = 3,596,682.32
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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.