Finding the Fourth Proportional to 4,077,647.21, 5,627,297.66 and 2,242,245.12
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Solution
The fourth proportional to 4,077,647.21, 5,627,297.66 and 2,242,245.12 is: 3,094,377.73
Step by Step Solution
- Step 1: Write the proportion equation
4,077,647.21 : 5,627,297.66 = 2,242,245.12 : x - Step 2: Convert to fraction form
4,077,647.21/5,627,297.66 = 2,242,245.12/x - Step 3: Cross multiply
4,077,647.21x = 5,627,297.66 × 2,242,245.12 - Step 4: Simplify right side
4,077,647.21x = 12,617,780,705,711.20 - Step 5: Solve for x
x = 12,617,780,705,711.20/4,077,647.21 - Step 6: Final answer
x = 3,094,377.73
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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.