Finding the Fourth Proportional to 8,524,819.40, 12,785,688.62 and 2,458,059.53
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Solution
The fourth proportional to 8,524,819.40, 12,785,688.62 and 2,458,059.53 is: 3,686,645.10
Step by Step Solution
- Step 1: Write the proportion equation
8,524,819.40 : 12,785,688.62 = 2,458,059.53 : x - Step 2: Convert to fraction form
8,524,819.40/12,785,688.62 = 2,458,059.53/x - Step 3: Cross multiply
8,524,819.40x = 12,785,688.62 × 2,458,059.53 - Step 4: Simplify right side
8,524,819.40x = 31,427,983,683,784.81 - Step 5: Solve for x
x = 31,427,983,683,784.81/8,524,819.40 - Step 6: Final answer
x = 3,686,645.10
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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.