Finding the Fourth Proportional to 3,027,823.76, 4,178,363.40 and 1,651,163.12
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Solution
The fourth proportional to 3,027,823.76, 4,178,363.40 and 1,651,163.12 is: 2,278,586.90
Step by Step Solution
- Step 1: Write the proportion equation
3,027,823.76 : 4,178,363.40 = 1,651,163.12 : x - Step 2: Convert to fraction form
3,027,823.76/4,178,363.40 = 1,651,163.12/x - Step 3: Cross multiply
3,027,823.76x = 4,178,363.40 × 1,651,163.12 - Step 4: Simplify right side
3,027,823.76x = 6,899,159,548,037.81 - Step 5: Solve for x
x = 6,899,159,548,037.81/3,027,823.76 - Step 6: Final answer
x = 2,278,586.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.