Finding the Fourth Proportional to 5,289,137.12, 7,936,695.06 and 2,256,216.46
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Solution
The fourth proportional to 5,289,137.12, 7,936,695.06 and 2,256,216.46 is: 3,385,599.88
Step by Step Solution
- Step 1: Write the proportion equation
5,289,137.12 : 7,936,695.06 = 2,256,216.46 : x - Step 2: Convert to fraction form
5,289,137.12/7,936,695.06 = 2,256,216.46/x - Step 3: Cross multiply
5,289,137.12x = 7,936,695.06 × 2,256,216.46 - Step 4: Simplify right side
5,289,137.12x = 17,906,902,004,070.14 - Step 5: Solve for x
x = 17,906,902,004,070.14/5,289,137.12 - Step 6: Final answer
x = 3,385,599.88
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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.