Finding the Fourth Proportional to 6,239,234.20, 9,358,851.30 and 1,979,735.80
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Solution
The fourth proportional to 6,239,234.20, 9,358,851.30 and 1,979,735.80 is: 2,969,603.70
Step by Step Solution
- Step 1: Write the proportion equation
6,239,234.20 : 9,358,851.30 = 1,979,735.80 : x - Step 2: Convert to fraction form
6,239,234.20/9,358,851.30 = 1,979,735.80/x - Step 3: Cross multiply
6,239,234.20x = 9,358,851.30 × 1,979,735.80 - Step 4: Simplify right side
6,239,234.20x = 18,528,052,965,486.54 - Step 5: Solve for x
x = 18,528,052,965,486.54/6,239,234.20 - Step 6: Final answer
x = 2,969,603.70
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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.