Finding the Fourth Proportional to 3,291,716.21, 4,936,349.50 and 1,132,135.12
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Solution
The fourth proportional to 3,291,716.21, 4,936,349.50 and 1,132,135.12 is: 1,697,781.42
Step by Step Solution
- Step 1: Write the proportion equation
3,291,716.21 : 4,936,349.50 = 1,132,135.12 : x - Step 2: Convert to fraction form
3,291,716.21/4,936,349.50 = 1,132,135.12/x - Step 3: Cross multiply
3,291,716.21x = 4,936,349.50 × 1,132,135.12 - Step 4: Simplify right side
3,291,716.21x = 5,588,614,603,202.02 - Step 5: Solve for x
x = 5,588,614,603,202.02/3,291,716.21 - Step 6: Final answer
x = 1,697,781.42
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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.