Finding the Fourth Proportional to 6,326,529.80, 9,489,794.70 and 2,914,809.80
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Solution
The fourth proportional to 6,326,529.80, 9,489,794.70 and 2,914,809.80 is: 4,372,214.70
Step by Step Solution
- Step 1: Write the proportion equation
6,326,529.80 : 9,489,794.70 = 2,914,809.80 : x - Step 2: Convert to fraction form
6,326,529.80/9,489,794.70 = 2,914,809.80/x - Step 3: Cross multiply
6,326,529.80x = 9,489,794.70 × 2,914,809.80 - Step 4: Simplify right side
6,326,529.80x = 27,660,946,591,548.05 - Step 5: Solve for x
x = 27,660,946,591,548.05/6,326,529.80 - Step 6: Final answer
x = 4,372,214.70
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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.