Finding the Fourth Proportional to 1,450,109.40, 2,001,149.94 and 805,589.68
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Solution
The fourth proportional to 1,450,109.40, 2,001,149.94 and 805,589.68 is: 1,111,713.19
Step by Step Solution
- Step 1: Write the proportion equation
1,450,109.40 : 2,001,149.94 = 805,589.68 : x - Step 2: Convert to fraction form
1,450,109.40/2,001,149.94 = 805,589.68/x - Step 3: Cross multiply
1,450,109.40x = 2,001,149.94 × 805,589.68 - Step 4: Simplify right side
1,450,109.40x = 1,612,105,739,796.62 - Step 5: Solve for x
x = 1,612,105,739,796.62/1,450,109.40 - Step 6: Final answer
x = 1,111,713.19
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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.