Finding the Fourth Proportional to 2,379,268.37, 3,283,394.51 and 1,291,540.68
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Solution
The fourth proportional to 2,379,268.37, 3,283,394.51 and 1,291,540.68 is: 1,782,328.40
Step by Step Solution
- Step 1: Write the proportion equation
2,379,268.37 : 3,283,394.51 = 1,291,540.68 : x - Step 2: Convert to fraction form
2,379,268.37/3,283,394.51 = 1,291,540.68/x - Step 3: Cross multiply
2,379,268.37x = 3,283,394.51 × 1,291,540.68 - Step 4: Simplify right side
2,379,268.37x = 4,240,637,581,382.52 - Step 5: Solve for x
x = 4,240,637,581,382.52/2,379,268.37 - Step 6: Final answer
x = 1,782,328.40
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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.