Finding the Fourth Proportional to 5,216,534.24, 7,190,499.32 and 4,112,164.84
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Solution
The fourth proportional to 5,216,534.24, 7,190,499.32 and 4,112,164.84 is: 5,668,230.50
Step by Step Solution
- Step 1: Write the proportion equation
5,216,534.24 : 7,190,499.32 = 4,112,164.84 : x - Step 2: Convert to fraction form
5,216,534.24/7,190,499.32 = 4,112,164.84/x - Step 3: Cross multiply
5,216,534.24x = 7,190,499.32 × 4,112,164.84 - Step 4: Simplify right side
5,216,534.24x = 29,568,518,485,747.91 - Step 5: Solve for x
x = 29,568,518,485,747.91/5,216,534.24 - Step 6: Final answer
x = 5,668,230.50
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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.