Finding the Fourth Proportional to 6,528,990.40, 9,793,485.60 and 2,269,589.20
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Solution
The fourth proportional to 6,528,990.40, 9,793,485.60 and 2,269,589.20 is: 3,404,383.80
Step by Step Solution
- Step 1: Write the proportion equation
6,528,990.40 : 9,793,485.60 = 2,269,589.20 : x - Step 2: Convert to fraction form
6,528,990.40/9,793,485.60 = 2,269,589.20/x - Step 3: Cross multiply
6,528,990.40x = 9,793,485.60 × 2,269,589.20 - Step 4: Simplify right side
6,528,990.40x = 22,227,189,148,115.52 - Step 5: Solve for x
x = 22,227,189,148,115.52/6,528,990.40 - Step 6: Final answer
x = 3,404,383.80
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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.