Finding the Fourth Proportional to 1,505,798.42, 2,077,409.14 and 860,872.10
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Solution
The fourth proportional to 1,505,798.42, 2,077,409.14 and 860,872.10 is: 1,187,664.66
Step by Step Solution
- Step 1: Write the proportion equation
1,505,798.42 : 2,077,409.14 = 860,872.10 : x - Step 2: Convert to fraction form
1,505,798.42/2,077,409.14 = 860,872.10/x - Step 3: Cross multiply
1,505,798.42x = 2,077,409.14 × 860,872.10 - Step 4: Simplify right side
1,505,798.42x = 1,788,383,568,910.99 - Step 5: Solve for x
x = 1,788,383,568,910.99/1,505,798.42 - Step 6: Final answer
x = 1,187,664.66
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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.