Finding the Fourth Proportional to 3,962,115.39, 5,467,739.41 and 2,243,570.79
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Solution
The fourth proportional to 3,962,115.39, 5,467,739.41 and 2,243,570.79 is: 3,096,139.11
Step by Step Solution
- Step 1: Write the proportion equation
3,962,115.39 : 5,467,739.41 = 2,243,570.79 : x - Step 2: Convert to fraction form
3,962,115.39/5,467,739.41 = 2,243,570.79/x - Step 3: Cross multiply
3,962,115.39x = 5,467,739.41 × 2,243,570.79 - Step 4: Simplify right side
3,962,115.39x = 12,267,260,427,607.83 - Step 5: Solve for x
x = 12,267,260,427,607.83/3,962,115.39 - Step 6: Final answer
x = 3,096,139.11
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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.