Finding the Fourth Proportional to 2,379,104.16, 3,283,171.36 and 1,291,376.64
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Solution
The fourth proportional to 2,379,104.16, 3,283,171.36 and 1,291,376.64 is: 1,782,103.90
Step by Step Solution
- Step 1: Write the proportion equation
2,379,104.16 : 3,283,171.36 = 1,291,376.64 : x - Step 2: Convert to fraction form
2,379,104.16/3,283,171.36 = 1,291,376.64/x - Step 3: Cross multiply
2,379,104.16x = 3,283,171.36 × 1,291,376.64 - Step 4: Simplify right side
2,379,104.16x = 4,239,810,799,421.03 - Step 5: Solve for x
x = 4,239,810,799,421.03/2,379,104.16 - Step 6: Final answer
x = 1,782,103.90
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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.