Finding the Fourth Proportional to 1,369,047.05, 2,049,366.74 and 861,230.33
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Solution
The fourth proportional to 1,369,047.05, 2,049,366.74 and 861,230.33 is: 1,289,200.97
Step by Step Solution
- Step 1: Write the proportion equation
1,369,047.05 : 2,049,366.74 = 861,230.33 : x - Step 2: Convert to fraction form
1,369,047.05/2,049,366.74 = 861,230.33/x - Step 3: Cross multiply
1,369,047.05x = 2,049,366.74 × 861,230.33 - Step 4: Simplify right side
1,369,047.05x = 1,764,976,779,228.24 - Step 5: Solve for x
x = 1,764,976,779,228.24/1,369,047.05 - Step 6: Final answer
x = 1,289,200.97
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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.