Finding the Fourth Proportional to 2,282,391.24, 3,149,661.42 and 1,263,774.12
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Solution
The fourth proportional to 2,282,391.24, 3,149,661.42 and 1,263,774.12 is: 1,743,986.97
Step by Step Solution
- Step 1: Write the proportion equation
2,282,391.24 : 3,149,661.42 = 1,263,774.12 : x - Step 2: Convert to fraction form
2,282,391.24/3,149,661.42 = 1,263,774.12/x - Step 3: Cross multiply
2,282,391.24x = 3,149,661.42 × 1,263,774.12 - Step 4: Simplify right side
2,282,391.24x = 3,980,460,589,358.45 - Step 5: Solve for x
x = 3,980,460,589,358.45/2,282,391.24 - Step 6: Final answer
x = 1,743,986.97
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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.