Finding the Fourth Proportional to 2,379,578.94, 3,283,857.09 and 1,291,849.65
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Solution
The fourth proportional to 2,379,578.94, 3,283,857.09 and 1,291,849.65 is: 1,782,773.23
Step by Step Solution
- Step 1: Write the proportion equation
2,379,578.94 : 3,283,857.09 = 1,291,849.65 : x - Step 2: Convert to fraction form
2,379,578.94/3,283,857.09 = 1,291,849.65/x - Step 3: Cross multiply
2,379,578.94x = 3,283,857.09 × 1,291,849.65 - Step 4: Simplify right side
2,379,578.94x = 4,242,249,632,366.52 - Step 5: Solve for x
x = 4,242,249,632,366.52/2,379,578.94 - Step 6: Final answer
x = 1,782,773.23
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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.