Finding the Fourth Proportional to 4,476,067.76, 6,715,438 and 4,208,711.60
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Solution
The fourth proportional to 4,476,067.76, 6,715,438 and 4,208,711.60 is: 6,314,323.94
Step by Step Solution
- Step 1: Write the proportion equation
4,476,067.76 : 6,715,438 = 4,208,711.60 : x - Step 2: Convert to fraction form
4,476,067.76/6,715,438 = 4,208,711.60/x - Step 3: Cross multiply
4,476,067.76x = 6,715,438 × 4,208,711.60 - Step 4: Simplify right side
4,476,067.76x = 28,263,341,809,680.80 - Step 5: Solve for x
x = 28,263,341,809,680.80/4,476,067.76 - Step 6: Final answer
x = 6,314,323.94
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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.