Finding the Fourth Proportional to 2,079,452.20, 3,119,178.30 and 1,942,594.60
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Solution
The fourth proportional to 2,079,452.20, 3,119,178.30 and 1,942,594.60 is: 2,913,891.90
Step by Step Solution
- Step 1: Write the proportion equation
2,079,452.20 : 3,119,178.30 = 1,942,594.60 : x - Step 2: Convert to fraction form
2,079,452.20/3,119,178.30 = 1,942,594.60/x - Step 3: Cross multiply
2,079,452.20x = 3,119,178.30 × 1,942,594.60 - Step 4: Simplify right side
2,079,452.20x = 6,059,298,922,017.18 - Step 5: Solve for x
x = 6,059,298,922,017.18/2,079,452.20 - Step 6: Final answer
x = 2,913,891.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.