Finding the Fourth Proportional to 4,593,661.20, 6,339,190.14 and 2,556,470.70
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Solution
The fourth proportional to 4,593,661.20, 6,339,190.14 and 2,556,470.70 is: 3,527,894.89
Step by Step Solution
- Step 1: Write the proportion equation
4,593,661.20 : 6,339,190.14 = 2,556,470.70 : x - Step 2: Convert to fraction form
4,593,661.20/6,339,190.14 = 2,556,470.70/x - Step 3: Cross multiply
4,593,661.20x = 6,339,190.14 × 2,556,470.70 - Step 4: Simplify right side
4,593,661.20x = 16,205,953,854,638.90 - Step 5: Solve for x
x = 16,205,953,854,638.90/4,593,661.20 - Step 6: Final answer
x = 3,527,894.89
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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.