Finding the Fourth Proportional to 1,342,188.77, 2,013,023.21 and 521,525.97
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Solution
The fourth proportional to 1,342,188.77, 2,013,023.21 and 521,525.97 is: 782,187.95
Step by Step Solution
- Step 1: Write the proportion equation
1,342,188.77 : 2,013,023.21 = 521,525.97 : x - Step 2: Convert to fraction form
1,342,188.77/2,013,023.21 = 521,525.97/x - Step 3: Cross multiply
1,342,188.77x = 2,013,023.21 × 521,525.97 - Step 4: Simplify right side
1,342,188.77x = 1,049,843,879,620.13 - Step 5: Solve for x
x = 1,049,843,879,620.13/1,342,188.77 - Step 6: Final answer
x = 782,187.95
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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.