Finding the Fourth Proportional to 2,621,052.18, 3,931,576.65 and 727,793.10
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Solution
The fourth proportional to 2,621,052.18, 3,931,576.65 and 727,793.10 is: 1,091,689.20
Step by Step Solution
- Step 1: Write the proportion equation
2,621,052.18 : 3,931,576.65 = 727,793.10 : x - Step 2: Convert to fraction form
2,621,052.18/3,931,576.65 = 727,793.10/x - Step 3: Cross multiply
2,621,052.18x = 3,931,576.65 × 727,793.10 - Step 4: Simplify right side
2,621,052.18x = 2,861,374,357,991.12 - Step 5: Solve for x
x = 2,861,374,357,991.12/2,621,052.18 - Step 6: Final answer
x = 1,091,689.20
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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.