Finding the Fourth Proportional to 4,985,029.30, 7,477,543.94 and 1,198,512.18
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Solution
The fourth proportional to 4,985,029.30, 7,477,543.94 and 1,198,512.18 is: 1,797,768.27
Step by Step Solution
- Step 1: Write the proportion equation
4,985,029.30 : 7,477,543.94 = 1,198,512.18 : x - Step 2: Convert to fraction form
4,985,029.30/7,477,543.94 = 1,198,512.18/x - Step 3: Cross multiply
4,985,029.30x = 7,477,543.94 × 1,198,512.18 - Step 4: Simplify right side
4,985,029.30x = 8,961,927,488,575.19 - Step 5: Solve for x
x = 8,961,927,488,575.19/4,985,029.30 - Step 6: Final answer
x = 1,797,768.27
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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.