Finding the Fourth Proportional to 4,219,279.38, 5,821,424.30 and 2,649,580.49
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Solution
The fourth proportional to 4,219,279.38, 5,821,424.30 and 2,649,580.49 is: 3,655,679.28
Step by Step Solution
- Step 1: Write the proportion equation
4,219,279.38 : 5,821,424.30 = 2,649,580.49 : x - Step 2: Convert to fraction form
4,219,279.38/5,821,424.30 = 2,649,580.49/x - Step 3: Cross multiply
4,219,279.38x = 5,821,424.30 × 2,649,580.49 - Step 4: Simplify right side
4,219,279.38x = 15,424,332,206,936.88 - Step 5: Solve for x
x = 15,424,332,206,936.88/4,219,279.38 - Step 6: Final answer
x = 3,655,679.28
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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.