Finding the Fourth Proportional to 4,947,903.36, 7,409,253.60 and 3,259,889.28
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Solution
The fourth proportional to 4,947,903.36, 7,409,253.60 and 3,259,889.28 is: 4,881,531.56
Step by Step Solution
- Step 1: Write the proportion equation
4,947,903.36 : 7,409,253.60 = 3,259,889.28 : x - Step 2: Convert to fraction form
4,947,903.36/7,409,253.60 = 3,259,889.28/x - Step 3: Cross multiply
4,947,903.36x = 7,409,253.60 × 3,259,889.28 - Step 4: Simplify right side
4,947,903.36x = 24,153,346,383,441.41 - Step 5: Solve for x
x = 24,153,346,383,441.41/4,947,903.36 - Step 6: Final answer
x = 4,881,531.56
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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.