Finding the Fourth Proportional to 4,874,247.28, 6,724,343.64 and 2,939,432.72
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Solution
The fourth proportional to 4,874,247.28, 6,724,343.64 and 2,939,432.72 is: 4,055,140.12
Step by Step Solution
- Step 1: Write the proportion equation
4,874,247.28 : 6,724,343.64 = 2,939,432.72 : x - Step 2: Convert to fraction form
4,874,247.28/6,724,343.64 = 2,939,432.72/x - Step 3: Cross multiply
4,874,247.28x = 6,724,343.64 × 2,939,432.72 - Step 4: Simplify right side
4,874,247.28x = 19,765,755,715,939.90 - Step 5: Solve for x
x = 19,765,755,715,939.90/4,874,247.28 - Step 6: Final answer
x = 4,055,140.12
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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.