Finding the Fourth Proportional to 2,853,432.96, 4,278,905.16 and 1,079,260.80
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Solution
The fourth proportional to 2,853,432.96, 4,278,905.16 and 1,079,260.80 is: 1,618,420.57
Step by Step Solution
- Step 1: Write the proportion equation
2,853,432.96 : 4,278,905.16 = 1,079,260.80 : x - Step 2: Convert to fraction form
2,853,432.96/4,278,905.16 = 1,079,260.80/x - Step 3: Cross multiply
2,853,432.96x = 4,278,905.16 × 1,079,260.80 - Step 4: Simplify right side
2,853,432.96x = 4,618,054,606,105.73 - Step 5: Solve for x
x = 4,618,054,606,105.73/2,853,432.96 - Step 6: Final answer
x = 1,618,420.57
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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.