Finding the Fourth Proportional to 2,379,150.21, 3,283,230.42 and 1,291,421.04
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Solution
The fourth proportional to 2,379,150.21, 3,283,230.42 and 1,291,421.04 is: 1,782,162.73
Step by Step Solution
- Step 1: Write the proportion equation
2,379,150.21 : 3,283,230.42 = 1,291,421.04 : x - Step 2: Convert to fraction form
2,379,150.21/3,283,230.42 = 1,291,421.04/x - Step 3: Cross multiply
2,379,150.21x = 3,283,230.42 × 1,291,421.04 - Step 4: Simplify right side
2,379,150.21x = 4,240,032,843,556.04 - Step 5: Solve for x
x = 4,240,032,843,556.04/2,379,150.21 - Step 6: Final answer
x = 1,782,162.73
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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.