Finding the Fourth Proportional to 1,809,090.36, 2,497,713 and 1,121,497.05
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Solution
The fourth proportional to 1,809,090.36, 2,497,713 and 1,121,497.05 is: 1,548,390.19
Step by Step Solution
- Step 1: Write the proportion equation
1,809,090.36 : 2,497,713 = 1,121,497.05 : x - Step 2: Convert to fraction form
1,809,090.36/2,497,713 = 1,121,497.05/x - Step 3: Cross multiply
1,809,090.36x = 2,497,713 × 1,121,497.05 - Step 4: Simplify right side
1,809,090.36x = 2,801,177,761,246.65 - Step 5: Solve for x
x = 2,801,177,761,246.65/1,809,090.36 - Step 6: Final answer
x = 1,548,390.19
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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.