Finding the Fourth Proportional to 2,187,635.88, 3,276,729.84 and 2,134,098.12
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Solution
The fourth proportional to 2,187,635.88, 3,276,729.84 and 2,134,098.12 is: 3,196,538.81
Step by Step Solution
- Step 1: Write the proportion equation
2,187,635.88 : 3,276,729.84 = 2,134,098.12 : x - Step 2: Convert to fraction form
2,187,635.88/3,276,729.84 = 2,134,098.12/x - Step 3: Cross multiply
2,187,635.88x = 3,276,729.84 × 2,134,098.12 - Step 4: Simplify right side
2,187,635.88x = 6,992,862,991,291.90 - Step 5: Solve for x
x = 6,992,862,991,291.90/2,187,635.88 - Step 6: Final answer
x = 3,196,538.81
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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.