Finding the Fourth Proportional to 1,809,631.20, 2,713,332.24 and 611,440.32
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Solution
The fourth proportional to 1,809,631.20, 2,713,332.24 and 611,440.32 is: 916,783.89
Step by Step Solution
- Step 1: Write the proportion equation
1,809,631.20 : 2,713,332.24 = 611,440.32 : x - Step 2: Convert to fraction form
1,809,631.20/2,713,332.24 = 611,440.32/x - Step 3: Cross multiply
1,809,631.20x = 2,713,332.24 × 611,440.32 - Step 4: Simplify right side
1,809,631.20x = 1,659,040,733,091.92 - Step 5: Solve for x
x = 1,659,040,733,091.92/1,809,631.20 - Step 6: Final answer
x = 916,783.89
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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.