Finding the Fourth Proportional to 5,253,546.24, 7,880,321.52 and 1,264,458.24
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Solution
The fourth proportional to 5,253,546.24, 7,880,321.52 and 1,264,458.24 is: 1,896,687.88
Step by Step Solution
- Step 1: Write the proportion equation
5,253,546.24 : 7,880,321.52 = 1,264,458.24 : x - Step 2: Convert to fraction form
5,253,546.24/7,880,321.52 = 1,264,458.24/x - Step 3: Cross multiply
5,253,546.24x = 7,880,321.52 × 1,264,458.24 - Step 4: Simplify right side
5,253,546.24x = 9,964,337,479,813.32 - Step 5: Solve for x
x = 9,964,337,479,813.32/5,253,546.24 - Step 6: Final answer
x = 1,896,687.88
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1.5x scale
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.