Finding the Fourth Proportional to 1,427,738.14, 2,141,377.38 and 416,622.70
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Solution
The fourth proportional to 1,427,738.14, 2,141,377.38 and 416,622.70 is: 624,866.98
Step by Step Solution
- Step 1: Write the proportion equation
1,427,738.14 : 2,141,377.38 = 416,622.70 : x - Step 2: Convert to fraction form
1,427,738.14/2,141,377.38 = 416,622.70/x - Step 3: Cross multiply
1,427,738.14x = 2,141,377.38 × 416,622.70 - Step 4: Simplify right side
1,427,738.14x = 892,146,425,774.53 - Step 5: Solve for x
x = 892,146,425,774.53/1,427,738.14 - Step 6: Final answer
x = 624,866.98
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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.