Finding the Fourth Proportional to 2,603,739.12, 3,906,232.14 and 1,086,578.10
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Solution
The fourth proportional to 2,603,739.12, 3,906,232.14 and 1,086,578.10 is: 1,630,127.33
Step by Step Solution
- Step 1: Write the proportion equation
2,603,739.12 : 3,906,232.14 = 1,086,578.10 : x - Step 2: Convert to fraction form
2,603,739.12/3,906,232.14 = 1,086,578.10/x - Step 3: Cross multiply
2,603,739.12x = 3,906,232.14 × 1,086,578.10 - Step 4: Simplify right side
2,603,739.12x = 4,244,426,296,840.13 - Step 5: Solve for x
x = 4,244,426,296,840.13/2,603,739.12 - Step 6: Final answer
x = 1,630,127.33
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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.