Finding the Fourth Proportional to 4,364,974.17, 6,021,578.07 and 3,391,441.65
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Solution
The fourth proportional to 4,364,974.17, 6,021,578.07 and 3,391,441.65 is: 4,678,568.50
Step by Step Solution
- Step 1: Write the proportion equation
4,364,974.17 : 6,021,578.07 = 3,391,441.65 : x - Step 2: Convert to fraction form
4,364,974.17/6,021,578.07 = 3,391,441.65/x - Step 3: Cross multiply
4,364,974.17x = 6,021,578.07 × 3,391,441.65 - Step 4: Simplify right side
4,364,974.17x = 20,421,830,665,324.62 - Step 5: Solve for x
x = 20,421,830,665,324.62/4,364,974.17 - Step 6: Final answer
x = 4,678,568.50
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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.