Finding the Fourth Proportional to 2,079,250.80, 3,119,329.80 and 1,181,122.80
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Solution
The fourth proportional to 2,079,250.80, 3,119,329.80 and 1,181,122.80 is: 1,771,941.87
Step by Step Solution
- Step 1: Write the proportion equation
2,079,250.80 : 3,119,329.80 = 1,181,122.80 : x - Step 2: Convert to fraction form
2,079,250.80/3,119,329.80 = 1,181,122.80/x - Step 3: Cross multiply
2,079,250.80x = 3,119,329.80 × 1,181,122.80 - Step 4: Simplify right side
2,079,250.80x = 3,684,311,547,499.44 - Step 5: Solve for x
x = 3,684,311,547,499.44/2,079,250.80 - Step 6: Final answer
x = 1,771,941.87
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1.5x scale
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.