Finding the Fourth Proportional to 4,825,728.50, 7,239,634.30 and 1,630,783.94
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Solution
The fourth proportional to 4,825,728.50, 7,239,634.30 and 1,630,783.94 is: 2,446,527.88
Step by Step Solution
- Step 1: Write the proportion equation
4,825,728.50 : 7,239,634.30 = 1,630,783.94 : x - Step 2: Convert to fraction form
4,825,728.50/7,239,634.30 = 1,630,783.94/x - Step 3: Cross multiply
4,825,728.50x = 7,239,634.30 × 1,630,783.94 - Step 4: Simplify right side
4,825,728.50x = 11,806,279,313,753.45 - Step 5: Solve for x
x = 11,806,279,313,753.45/4,825,728.50 - Step 6: Final answer
x = 2,446,527.88
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1.5x scale
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.