Finding the Fourth Proportional to 3,208,568.76, 4,810,354.20 and 1,588,219.08
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Solution
The fourth proportional to 3,208,568.76, 4,810,354.20 and 1,588,219.08 is: 2,381,091.66
Step by Step Solution
- Step 1: Write the proportion equation
3,208,568.76 : 4,810,354.20 = 1,588,219.08 : x - Step 2: Convert to fraction form
3,208,568.76/4,810,354.20 = 1,588,219.08/x - Step 3: Cross multiply
3,208,568.76x = 4,810,354.20 × 1,588,219.08 - Step 4: Simplify right side
3,208,568.76x = 7,639,896,321,998.14 - Step 5: Solve for x
x = 7,639,896,321,998.14/3,208,568.76 - Step 6: Final answer
x = 2,381,091.66
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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.