Finding the Fourth Proportional to 4,180,378.08, 6,270,576.90 and 1,147,785.45
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Solution
The fourth proportional to 4,180,378.08, 6,270,576.90 and 1,147,785.45 is: 1,721,680.86
Step by Step Solution
- Step 1: Write the proportion equation
4,180,378.08 : 6,270,576.90 = 1,147,785.45 : x - Step 2: Convert to fraction form
4,180,378.08/6,270,576.90 = 1,147,785.45/x - Step 3: Cross multiply
4,180,378.08x = 6,270,576.90 × 1,147,785.45 - Step 4: Simplify right side
4,180,378.08x = 7,197,276,928,926.11 - Step 5: Solve for x
x = 7,197,276,928,926.11/4,180,378.08 - Step 6: Final answer
x = 1,721,680.86
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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.