Finding the Fourth Proportional to 5,107,597.12, 7,663,652.52 and 2,678,170.24
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Solution
The fourth proportional to 5,107,597.12, 7,663,652.52 and 2,678,170.24 is: 4,018,438.73
Step by Step Solution
- Step 1: Write the proportion equation
5,107,597.12 : 7,663,652.52 = 2,678,170.24 : x - Step 2: Convert to fraction form
5,107,597.12/7,663,652.52 = 2,678,170.24/x - Step 3: Cross multiply
5,107,597.12x = 7,663,652.52 × 2,678,170.24 - Step 4: Simplify right side
5,107,597.12x = 20,524,566,108,765.00 - Step 5: Solve for x
x = 20,524,566,108,765.00/5,107,597.12 - Step 6: Final answer
x = 4,018,438.73
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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.