Finding the Fourth Proportional to 4,239,019.80, 6,358,529.70 and 4,073,682.60
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Solution
The fourth proportional to 4,239,019.80, 6,358,529.70 and 4,073,682.60 is: 6,110,523.90
Step by Step Solution
- Step 1: Write the proportion equation
4,239,019.80 : 6,358,529.70 = 4,073,682.60 : x - Step 2: Convert to fraction form
4,239,019.80/6,358,529.70 = 4,073,682.60/x - Step 3: Cross multiply
4,239,019.80x = 6,358,529.70 × 4,073,682.60 - Step 4: Simplify right side
4,239,019.80x = 25,902,631,800,473.22 - Step 5: Solve for x
x = 25,902,631,800,473.22/4,239,019.80 - Step 6: Final answer
x = 6,110,523.90
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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.