Finding the Fourth Proportional to 1,489,736.21, 2,234,826.68 and 691,098.48
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Solution
The fourth proportional to 1,489,736.21, 2,234,826.68 and 691,098.48 is: 1,036,750.88
Step by Step Solution
- Step 1: Write the proportion equation
1,489,736.21 : 2,234,826.68 = 691,098.48 : x - Step 2: Convert to fraction form
1,489,736.21/2,234,826.68 = 691,098.48/x - Step 3: Cross multiply
1,489,736.21x = 2,234,826.68 × 691,098.48 - Step 4: Simplify right side
1,489,736.21x = 1,544,485,318,155.95 - Step 5: Solve for x
x = 1,544,485,318,155.95/1,489,736.21 - Step 6: Final answer
x = 1,036,750.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.