Finding the Fourth Proportional to 1,491,285.12, 2,057,847.06 and 837,860.14
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Solution
The fourth proportional to 1,491,285.12, 2,057,847.06 and 837,860.14 is: 1,156,175.98
Step by Step Solution
- Step 1: Write the proportion equation
1,491,285.12 : 2,057,847.06 = 837,860.14 : x - Step 2: Convert to fraction form
1,491,285.12/2,057,847.06 = 837,860.14/x - Step 3: Cross multiply
1,491,285.12x = 2,057,847.06 × 837,860.14 - Step 4: Simplify right side
1,491,285.12x = 1,724,188,025,790.19 - Step 5: Solve for x
x = 1,724,188,025,790.19/1,491,285.12 - Step 6: Final answer
x = 1,156,175.98
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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.