Finding the Fourth Proportional to 6,974,497.80, 10,461,780.11 and 2,116,846.49
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Solution
The fourth proportional to 6,974,497.80, 10,461,780.11 and 2,116,846.49 is: 3,175,279.88
Step by Step Solution
- Step 1: Write the proportion equation
6,974,497.80 : 10,461,780.11 = 2,116,846.49 : x - Step 2: Convert to fraction form
6,974,497.80/10,461,780.11 = 2,116,846.49/x - Step 3: Cross multiply
6,974,497.80x = 10,461,780.11 × 2,116,846.49 - Step 4: Simplify right side
6,974,497.80x = 22,145,982,524,544.62 - Step 5: Solve for x
x = 22,145,982,524,544.62/6,974,497.80 - Step 6: Final answer
x = 3,175,279.88
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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.