Finding the Fourth Proportional to 3,806,315.68, 5,709,364.08 and 1,410,107.20
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Solution
The fourth proportional to 3,806,315.68, 5,709,364.08 and 1,410,107.20 is: 2,115,120.26
Step by Step Solution
- Step 1: Write the proportion equation
3,806,315.68 : 5,709,364.08 = 1,410,107.20 : x - Step 2: Convert to fraction form
3,806,315.68/5,709,364.08 = 1,410,107.20/x - Step 3: Cross multiply
3,806,315.68x = 5,709,364.08 × 1,410,107.20 - Step 4: Simplify right side
3,806,315.68x = 8,050,815,396,629.38 - Step 5: Solve for x
x = 8,050,815,396,629.38/3,806,315.68 - Step 6: Final answer
x = 2,115,120.26
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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.