Finding the Fourth Proportional to 5,322,467.52, 7,987,901.76 and 2,481,117.12
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Solution
The fourth proportional to 5,322,467.52, 7,987,901.76 and 2,481,117.12 is: 3,723,633.77
Step by Step Solution
- Step 1: Write the proportion equation
5,322,467.52 : 7,987,901.76 = 2,481,117.12 : x - Step 2: Convert to fraction form
5,322,467.52/7,987,901.76 = 2,481,117.12/x - Step 3: Cross multiply
5,322,467.52x = 7,987,901.76 × 2,481,117.12 - Step 4: Simplify right side
5,322,467.52x = 19,818,919,809,614.13 - Step 5: Solve for x
x = 19,818,919,809,614.13/5,322,467.52 - Step 6: Final answer
x = 3,723,633.77
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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.