Finding the Fourth Proportional to 2,190,319.36, 3,277,485.96 and 1,292,191.36
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Solution
The fourth proportional to 2,190,319.36, 3,277,485.96 and 1,292,191.36 is: 1,933,571.48
Step by Step Solution
- Step 1: Write the proportion equation
2,190,319.36 : 3,277,485.96 = 1,292,191.36 : x - Step 2: Convert to fraction form
2,190,319.36/3,277,485.96 = 1,292,191.36/x - Step 3: Cross multiply
2,190,319.36x = 3,277,485.96 × 1,292,191.36 - Step 4: Simplify right side
2,190,319.36x = 4,235,139,040,033.31 - Step 5: Solve for x
x = 4,235,139,040,033.31/2,190,319.36 - Step 6: Final answer
x = 1,933,571.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.