Finding the Fourth Proportional to 1,803,704.80, 2,489,023.77 and 987,912.08
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Solution
The fourth proportional to 1,803,704.80, 2,489,023.77 and 987,912.08 is: 1,363,270.00
Step by Step Solution
- Step 1: Write the proportion equation
1,803,704.80 : 2,489,023.77 = 987,912.08 : x - Step 2: Convert to fraction form
1,803,704.80/2,489,023.77 = 987,912.08/x - Step 3: Cross multiply
1,803,704.80x = 2,489,023.77 × 987,912.08 - Step 4: Simplify right side
1,803,704.80x = 2,458,936,649,790.14 - Step 5: Solve for x
x = 2,458,936,649,790.14/1,803,704.80 - Step 6: Final answer
x = 1,363,270.00
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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.