Finding the Fourth Proportional to 2,170,218.40, 2,994,626.08 and 1,189,899.48
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Solution
The fourth proportional to 2,170,218.40, 2,994,626.08 and 1,189,899.48 is: 1,641,910.33
Step by Step Solution
- Step 1: Write the proportion equation
2,170,218.40 : 2,994,626.08 = 1,189,899.48 : x - Step 2: Convert to fraction form
2,170,218.40/2,994,626.08 = 1,189,899.48/x - Step 3: Cross multiply
2,170,218.40x = 2,994,626.08 × 1,189,899.48 - Step 4: Simplify right side
2,170,218.40x = 3,563,304,015,386.44 - Step 5: Solve for x
x = 3,563,304,015,386.44/2,170,218.40 - Step 6: Final answer
x = 1,641,910.33
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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.