Finding the Fourth Proportional to 1,840,311.32, 2,758,228.88 and 985,281.80
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Solution
The fourth proportional to 1,840,311.32, 2,758,228.88 and 985,281.80 is: 1,476,724.45
Step by Step Solution
- Step 1: Write the proportion equation
1,840,311.32 : 2,758,228.88 = 985,281.80 : x - Step 2: Convert to fraction form
1,840,311.32/2,758,228.88 = 985,281.80/x - Step 3: Cross multiply
1,840,311.32x = 2,758,228.88 × 985,281.80 - Step 4: Simplify right side
1,840,311.32x = 2,717,632,715,698.38 - Step 5: Solve for x
x = 2,717,632,715,698.38/1,840,311.32 - Step 6: Final answer
x = 1,476,724.45
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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.