Finding the Fourth Proportional to 5,149,858.92, 7,724,788.36 and 2,746,422.06
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Solution
The fourth proportional to 5,149,858.92, 7,724,788.36 and 2,746,422.06 is: 4,119,633.08
Step by Step Solution
- Step 1: Write the proportion equation
5,149,858.92 : 7,724,788.36 = 2,746,422.06 : x - Step 2: Convert to fraction form
5,149,858.92/7,724,788.36 = 2,746,422.06/x - Step 3: Cross multiply
5,149,858.92x = 7,724,788.36 × 2,746,422.06 - Step 4: Simplify right side
5,149,858.92x = 21,215,529,160,735.22 - Step 5: Solve for x
x = 21,215,529,160,735.22/5,149,858.92 - Step 6: Final answer
x = 4,119,633.08
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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.