Finding the Fourth Proportional to 2,380,947.48, 3,285,750.81 and 1,348,669.60
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Solution
The fourth proportional to 2,380,947.48, 3,285,750.81 and 1,348,669.60 is: 1,861,188.57
Step by Step Solution
- Step 1: Write the proportion equation
2,380,947.48 : 3,285,750.81 = 1,348,669.60 : x - Step 2: Convert to fraction form
2,380,947.48/3,285,750.81 = 1,348,669.60/x - Step 3: Cross multiply
2,380,947.48x = 3,285,750.81 × 1,348,669.60 - Step 4: Simplify right side
2,380,947.48x = 4,431,392,239,787.08 - Step 5: Solve for x
x = 4,431,392,239,787.08/2,380,947.48 - Step 6: Final answer
x = 1,861,188.57
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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.