Finding the Fourth Proportional to 4,968,958.91, 6,857,122.05 and 2,793,511.74
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Solution
The fourth proportional to 4,968,958.91, 6,857,122.05 and 2,793,511.74 is: 3,855,023.01
Step by Step Solution
- Step 1: Write the proportion equation
4,968,958.91 : 6,857,122.05 = 2,793,511.74 : x - Step 2: Convert to fraction form
4,968,958.91/6,857,122.05 = 2,793,511.74/x - Step 3: Cross multiply
4,968,958.91x = 6,857,122.05 × 2,793,511.74 - Step 4: Simplify right side
4,968,958.91x = 19,155,450,949,287.87 - Step 5: Solve for x
x = 19,155,450,949,287.87/4,968,958.91 - Step 6: Final answer
x = 3,855,023.01
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.