Finding the Fourth Proportional to 4,263,011.20, 6,394,516.80 and 3,267,683.20
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Solution
The fourth proportional to 4,263,011.20, 6,394,516.80 and 3,267,683.20 is: 4,901,524.80
Step by Step Solution
- Step 1: Write the proportion equation
4,263,011.20 : 6,394,516.80 = 3,267,683.20 : x - Step 2: Convert to fraction form
4,263,011.20/6,394,516.80 = 3,267,683.20/x - Step 3: Cross multiply
4,263,011.20x = 6,394,516.80 × 3,267,683.20 - Step 4: Simplify right side
4,263,011.20x = 20,895,255,119,477.76 - Step 5: Solve for x
x = 20,895,255,119,477.76/4,263,011.20 - Step 6: Final answer
x = 4,901,524.80
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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.