Finding the Fourth Proportional to 1,992,776.85, 2,989,145.57 and 912,983.12
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Solution
The fourth proportional to 1,992,776.85, 2,989,145.57 and 912,983.12 is: 1,369,465.64
Step by Step Solution
- Step 1: Write the proportion equation
1,992,776.85 : 2,989,145.57 = 912,983.12 : x - Step 2: Convert to fraction form
1,992,776.85/2,989,145.57 = 912,983.12/x - Step 3: Cross multiply
1,992,776.85x = 2,989,145.57 × 912,983.12 - Step 4: Simplify right side
1,992,776.85x = 2,729,039,429,122.13 - Step 5: Solve for x
x = 2,729,039,429,122.13/1,992,776.85 - Step 6: Final answer
x = 1,369,465.64
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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.