Finding the Fourth Proportional to 1,760,993.12, 2,641,893.12 and 639,062.24
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Solution
The fourth proportional to 1,760,993.12, 2,641,893.12 and 639,062.24 is: 958,739.77
Step by Step Solution
- Step 1: Write the proportion equation
1,760,993.12 : 2,641,893.12 = 639,062.24 : x - Step 2: Convert to fraction form
1,760,993.12/2,641,893.12 = 639,062.24/x - Step 3: Cross multiply
1,760,993.12x = 2,641,893.12 × 639,062.24 - Step 4: Simplify right side
1,760,993.12x = 1,688,334,135,107.79 - Step 5: Solve for x
x = 1,688,334,135,107.79/1,760,993.12 - Step 6: Final answer
x = 958,739.77
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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.