Finding the Fourth Proportional to 3,217,469.12, 4,439,027.02 and 1,821,839.98
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Solution
The fourth proportional to 3,217,469.12, 4,439,027.02 and 1,821,839.98 is: 2,513,527.43
Step by Step Solution
- Step 1: Write the proportion equation
3,217,469.12 : 4,439,027.02 = 1,821,839.98 : x - Step 2: Convert to fraction form
3,217,469.12/4,439,027.02 = 1,821,839.98/x - Step 3: Cross multiply
3,217,469.12x = 4,439,027.02 × 1,821,839.98 - Step 4: Simplify right side
3,217,469.12x = 8,087,196,897,336.26 - Step 5: Solve for x
x = 8,087,196,897,336.26/3,217,469.12 - Step 6: Final answer
x = 2,513,527.43
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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.