Finding the Fourth Proportional to 3,806,968.16, 5,708,680.79 and 1,410,169.25
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Solution
The fourth proportional to 3,806,968.16, 5,708,680.79 and 1,410,169.25 is: 2,114,597.70
Step by Step Solution
- Step 1: Write the proportion equation
3,806,968.16 : 5,708,680.79 = 1,410,169.25 : x - Step 2: Convert to fraction form
3,806,968.16/5,708,680.79 = 1,410,169.25/x - Step 3: Cross multiply
3,806,968.16x = 5,708,680.79 × 1,410,169.25 - Step 4: Simplify right side
3,806,968.16x = 8,050,206,115,344.56 - Step 5: Solve for x
x = 8,050,206,115,344.56/3,806,968.16 - Step 6: Final answer
x = 2,114,597.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.