Finding the Fourth Proportional to 3,945,774.66, 5,915,107.68 and 1,419,652.50
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Solution
The fourth proportional to 3,945,774.66, 5,915,107.68 and 1,419,652.50 is: 2,128,199.94
Step by Step Solution
- Step 1: Write the proportion equation
3,945,774.66 : 5,915,107.68 = 1,419,652.50 : x - Step 2: Convert to fraction form
3,945,774.66/5,915,107.68 = 1,419,652.50/x - Step 3: Cross multiply
3,945,774.66x = 5,915,107.68 × 1,419,652.50 - Step 4: Simplify right side
3,945,774.66x = 8,397,397,405,681.20 - Step 5: Solve for x
x = 8,397,397,405,681.20/3,945,774.66 - Step 6: Final answer
x = 2,128,199.94
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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.