Finding the Fourth Proportional to 5,197,910.97, 7,170,237.33 and 3,022,213.65
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Solution
The fourth proportional to 5,197,910.97, 7,170,237.33 and 3,022,213.65 is: 4,168,980.43
Step by Step Solution
- Step 1: Write the proportion equation
5,197,910.97 : 7,170,237.33 = 3,022,213.65 : x - Step 2: Convert to fraction form
5,197,910.97/7,170,237.33 = 3,022,213.65/x - Step 3: Cross multiply
5,197,910.97x = 7,170,237.33 × 3,022,213.65 - Step 4: Simplify right side
5,197,910.97x = 21,669,989,132,465.55 - Step 5: Solve for x
x = 21,669,989,132,465.55/5,197,910.97 - Step 6: Final answer
x = 4,168,980.43
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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.