Finding the Fourth Proportional to 3,447,774.70, 4,757,928.84 and 1,998,310.88
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Solution
The fourth proportional to 3,447,774.70, 4,757,928.84 and 1,998,310.88 is: 2,757,668.87
Step by Step Solution
- Step 1: Write the proportion equation
3,447,774.70 : 4,757,928.84 = 1,998,310.88 : x - Step 2: Convert to fraction form
3,447,774.70/4,757,928.84 = 1,998,310.88/x - Step 3: Cross multiply
3,447,774.70x = 4,757,928.84 × 1,998,310.88 - Step 4: Simplify right side
3,447,774.70x = 9,507,820,967,237.78 - Step 5: Solve for x
x = 9,507,820,967,237.78/3,447,774.70 - Step 6: Final answer
x = 2,757,668.87
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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.