Finding the Fourth Proportional to 5,479,322.76, 7,560,950.67 and 3,709,621.26
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Solution
The fourth proportional to 5,479,322.76, 7,560,950.67 and 3,709,621.26 is: 5,118,928.85
Step by Step Solution
- Step 1: Write the proportion equation
5,479,322.76 : 7,560,950.67 = 3,709,621.26 : x - Step 2: Convert to fraction form
5,479,322.76/7,560,950.67 = 3,709,621.26/x - Step 3: Cross multiply
5,479,322.76x = 7,560,950.67 × 3,709,621.26 - Step 4: Simplify right side
5,479,322.76x = 28,048,263,351,243.24 - Step 5: Solve for x
x = 28,048,263,351,243.24/5,479,322.76 - Step 6: Final answer
x = 5,118,928.85
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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.