Finding the Fourth Proportional to 4,220,536.20, 5,824,331.73 and 2,286,849.12
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Solution
The fourth proportional to 4,220,536.20, 5,824,331.73 and 2,286,849.12 is: 3,155,847.33
Step by Step Solution
- Step 1: Write the proportion equation
4,220,536.20 : 5,824,331.73 = 2,286,849.12 : x - Step 2: Convert to fraction form
4,220,536.20/5,824,331.73 = 2,286,849.12/x - Step 3: Cross multiply
4,220,536.20x = 5,824,331.73 × 2,286,849.12 - Step 4: Simplify right side
4,220,536.20x = 13,319,367,891,338.58 - Step 5: Solve for x
x = 13,319,367,891,338.58/4,220,536.20 - Step 6: Final answer
x = 3,155,847.33
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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.