Finding the Fourth Proportional to 4,279,257.36, 5,905,980 and 2,648,190.06
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Solution
The fourth proportional to 4,279,257.36, 5,905,980 and 2,648,190.06 is: 3,654,876.59
Step by Step Solution
- Step 1: Write the proportion equation
4,279,257.36 : 5,905,980 = 2,648,190.06 : x - Step 2: Convert to fraction form
4,279,257.36/5,905,980 = 2,648,190.06/x - Step 3: Cross multiply
4,279,257.36x = 5,905,980 × 2,648,190.06 - Step 4: Simplify right side
4,279,257.36x = 15,640,157,530,558.80 - Step 5: Solve for x
x = 15,640,157,530,558.80/4,279,257.36 - Step 6: Final answer
x = 3,654,876.59
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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.