Finding the Fourth Proportional to 1,966,107.66, 2,713,671.09 and 1,286,650.50
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Solution
The fourth proportional to 1,966,107.66, 2,713,671.09 and 1,286,650.50 is: 1,775,867.28
Step by Step Solution
- Step 1: Write the proportion equation
1,966,107.66 : 2,713,671.09 = 1,286,650.50 : x - Step 2: Convert to fraction form
1,966,107.66/2,713,671.09 = 1,286,650.50/x - Step 3: Cross multiply
1,966,107.66x = 2,713,671.09 × 1,286,650.50 - Step 4: Simplify right side
1,966,107.66x = 3,491,546,264,784.05 - Step 5: Solve for x
x = 3,491,546,264,784.05/1,966,107.66 - Step 6: Final answer
x = 1,775,867.28
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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.