Finding the Fourth Proportional to 3,769,986.25, 5,202,164.74 and 2,115,753.95
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Solution
The fourth proportional to 3,769,986.25, 5,202,164.74 and 2,115,753.95 is: 2,919,506.83
Step by Step Solution
- Step 1: Write the proportion equation
3,769,986.25 : 5,202,164.74 = 2,115,753.95 : x - Step 2: Convert to fraction form
3,769,986.25/5,202,164.74 = 2,115,753.95/x - Step 3: Cross multiply
3,769,986.25x = 5,202,164.74 × 2,115,753.95 - Step 4: Simplify right side
3,769,986.25x = 11,006,500,597,205.72 - Step 5: Solve for x
x = 11,006,500,597,205.72/3,769,986.25 - Step 6: Final answer
x = 2,919,506.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.