Finding the Fourth Proportional to 2,368,959.75, 3,269,164.41 and 1,281,231.30
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Solution
The fourth proportional to 2,368,959.75, 3,269,164.41 and 1,281,231.30 is: 1,768,099.17
Step by Step Solution
- Step 1: Write the proportion equation
2,368,959.75 : 3,269,164.41 = 1,281,231.30 : x - Step 2: Convert to fraction form
2,368,959.75/3,269,164.41 = 1,281,231.30/x - Step 3: Cross multiply
2,368,959.75x = 3,269,164.41 × 1,281,231.30 - Step 4: Simplify right side
2,368,959.75x = 4,188,555,766,938.03 - Step 5: Solve for x
x = 4,188,555,766,938.03/2,368,959.75 - Step 6: Final answer
x = 1,768,099.17
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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.