Finding the Fourth Proportional to 4,159,568.90, 6,244,018.95 and 3,217,117.70
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Solution
The fourth proportional to 4,159,568.90, 6,244,018.95 and 3,217,117.70 is: 4,829,285.05
Step by Step Solution
- Step 1: Write the proportion equation
4,159,568.90 : 6,244,018.95 = 3,217,117.70 : x - Step 2: Convert to fraction form
4,159,568.90/6,244,018.95 = 3,217,117.70/x - Step 3: Cross multiply
4,159,568.90x = 6,244,018.95 × 3,217,117.70 - Step 4: Simplify right side
4,159,568.90x = 20,087,743,883,180.42 - Step 5: Solve for x
x = 20,087,743,883,180.42/4,159,568.90 - Step 6: Final answer
x = 4,829,285.05
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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.