Finding the Fourth Proportional to 2,058,310.96, 2,840,426.78 and 1,140,532.08
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Solution
The fourth proportional to 2,058,310.96, 2,840,426.78 and 1,140,532.08 is: 1,573,910.81
Step by Step Solution
- Step 1: Write the proportion equation
2,058,310.96 : 2,840,426.78 = 1,140,532.08 : x - Step 2: Convert to fraction form
2,058,310.96/2,840,426.78 = 1,140,532.08/x - Step 3: Cross multiply
2,058,310.96x = 2,840,426.78 × 1,140,532.08 - Step 4: Simplify right side
2,058,310.96x = 3,239,597,863,481.10 - Step 5: Solve for x
x = 3,239,597,863,481.10/2,058,310.96 - Step 6: Final answer
x = 1,573,910.81
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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.