Finding the Fourth Proportional to 6,134,138.20, 9,201,644.70 and 1,874,299.60
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Solution
The fourth proportional to 6,134,138.20, 9,201,644.70 and 1,874,299.60 is: 2,811,583.05
Step by Step Solution
- Step 1: Write the proportion equation
6,134,138.20 : 9,201,644.70 = 1,874,299.60 : x - Step 2: Convert to fraction form
6,134,138.20/9,201,644.70 = 1,874,299.60/x - Step 3: Cross multiply
6,134,138.20x = 9,201,644.70 × 1,874,299.60 - Step 4: Simplify right side
6,134,138.20x = 17,246,638,980,552.12 - Step 5: Solve for x
x = 17,246,638,980,552.12/6,134,138.20 - Step 6: Final answer
x = 2,811,583.05
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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.