Finding the Fourth Proportional to 4,457,687.12, 6,151,608.24 and 2,420,496.64
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Solution
The fourth proportional to 4,457,687.12, 6,151,608.24 and 2,420,496.64 is: 3,340,285.37
Step by Step Solution
- Step 1: Write the proportion equation
4,457,687.12 : 6,151,608.24 = 2,420,496.64 : x - Step 2: Convert to fraction form
4,457,687.12/6,151,608.24 = 2,420,496.64/x - Step 3: Cross multiply
4,457,687.12x = 6,151,608.24 × 2,420,496.64 - Step 4: Simplify right side
4,457,687.12x = 14,889,947,075,516.31 - Step 5: Solve for x
x = 14,889,947,075,516.31/4,457,687.12 - Step 6: Final answer
x = 3,340,285.37
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.