Finding the Fourth Proportional to 4,994,270.10, 7,491,405.15 and 2,862,601.20
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Solution
The fourth proportional to 4,994,270.10, 7,491,405.15 and 2,862,601.20 is: 4,293,901.80
Step by Step Solution
- Step 1: Write the proportion equation
4,994,270.10 : 7,491,405.15 = 2,862,601.20 : x - Step 2: Convert to fraction form
4,994,270.10/7,491,405.15 = 2,862,601.20/x - Step 3: Cross multiply
4,994,270.10x = 7,491,405.15 × 2,862,601.20 - Step 4: Simplify right side
4,994,270.10x = 21,444,905,372,076.18 - Step 5: Solve for x
x = 21,444,905,372,076.18/4,994,270.10 - Step 6: Final answer
x = 4,293,901.80
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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.