Finding the Fourth Proportional to 7,332,053.20, 10,998,079.80 and 4,493,764.60
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Solution
The fourth proportional to 7,332,053.20, 10,998,079.80 and 4,493,764.60 is: 6,740,646.90
Step by Step Solution
- Step 1: Write the proportion equation
7,332,053.20 : 10,998,079.80 = 4,493,764.60 : x - Step 2: Convert to fraction form
7,332,053.20/10,998,079.80 = 4,493,764.60/x - Step 3: Cross multiply
7,332,053.20x = 10,998,079.80 × 4,493,764.60 - Step 4: Simplify right side
7,332,053.20x = 49,422,781,673,215.08 - Step 5: Solve for x
x = 49,422,781,673,215.08/7,332,053.20 - Step 6: Final answer
x = 6,740,646.90
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Similar ratio
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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.