Finding the Fourth Proportional to 2,379,650.64, 3,283,917.87 and 1,291,922.19
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Solution
The fourth proportional to 2,379,650.64, 3,283,917.87 and 1,291,922.19 is: 1,782,852.62
Step by Step Solution
- Step 1: Write the proportion equation
2,379,650.64 : 3,283,917.87 = 1,291,922.19 : x - Step 2: Convert to fraction form
2,379,650.64/3,283,917.87 = 1,291,922.19/x - Step 3: Cross multiply
2,379,650.64x = 3,283,917.87 × 1,291,922.19 - Step 4: Simplify right side
2,379,650.64x = 4,242,566,366,390.54 - Step 5: Solve for x
x = 4,242,566,366,390.54/2,379,650.64 - Step 6: Final answer
x = 1,782,852.62
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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.