Finding the Fourth Proportional to 2,743,164.72, 4,113,247.14 and 2,178,175.14
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Solution
The fourth proportional to 2,743,164.72, 4,113,247.14 and 2,178,175.14 is: 3,266,071.70
Step by Step Solution
- Step 1: Write the proportion equation
2,743,164.72 : 4,113,247.14 = 2,178,175.14 : x - Step 2: Convert to fraction form
2,743,164.72/4,113,247.14 = 2,178,175.14/x - Step 3: Cross multiply
2,743,164.72x = 4,113,247.14 × 2,178,175.14 - Step 4: Simplify right side
2,743,164.72x = 8,959,372,665,024.10 - Step 5: Solve for x
x = 8,959,372,665,024.10/2,743,164.72 - Step 6: Final answer
x = 3,266,071.70
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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.