Finding the Fourth Proportional to 3,198,423.76, 4,799,877.24 and 1,848,728.99
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Solution
The fourth proportional to 3,198,423.76, 4,799,877.24 and 1,848,728.99 is: 2,774,389.16
Step by Step Solution
- Step 1: Write the proportion equation
3,198,423.76 : 4,799,877.24 = 1,848,728.99 : x - Step 2: Convert to fraction form
3,198,423.76/4,799,877.24 = 1,848,728.99/x - Step 3: Cross multiply
3,198,423.76x = 4,799,877.24 × 1,848,728.99 - Step 4: Simplify right side
3,198,423.76x = 8,873,672,202,029.19 - Step 5: Solve for x
x = 8,873,672,202,029.19/3,198,423.76 - Step 6: Final answer
x = 2,774,389.16
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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.