Finding the Fourth Proportional to 1,966,519.20, 2,950,697.28 and 1,019,373.12
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Solution
The fourth proportional to 1,966,519.20, 2,950,697.28 and 1,019,373.12 is: 1,529,535.79
Step by Step Solution
- Step 1: Write the proportion equation
1,966,519.20 : 2,950,697.28 = 1,019,373.12 : x - Step 2: Convert to fraction form
1,966,519.20/2,950,697.28 = 1,019,373.12/x - Step 3: Cross multiply
1,966,519.20x = 2,950,697.28 × 1,019,373.12 - Step 4: Simplify right side
1,966,519.20x = 3,007,861,492,489.11 - Step 5: Solve for x
x = 3,007,861,492,489.11/1,966,519.20 - Step 6: Final answer
x = 1,529,535.79
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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.