Finding the Fourth Proportional to 1,691,500.46, 2,538,511.65 and 680,630.99
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Solution
The fourth proportional to 1,691,500.46, 2,538,511.65 and 680,630.99 is: 1,021,453.87
Step by Step Solution
- Step 1: Write the proportion equation
1,691,500.46 : 2,538,511.65 = 680,630.99 : x - Step 2: Convert to fraction form
1,691,500.46/2,538,511.65 = 680,630.99/x - Step 3: Cross multiply
1,691,500.46x = 2,538,511.65 × 680,630.99 - Step 4: Simplify right side
1,691,500.46x = 1,727,789,684,773.48 - Step 5: Solve for x
x = 1,727,789,684,773.48/1,691,500.46 - Step 6: Final answer
x = 1,021,453.87
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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.