Finding the Fourth Proportional to 5,296,589.52, 7,308,699.84 and 3,120,991.08
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Solution
The fourth proportional to 5,296,589.52, 7,308,699.84 and 3,120,991.08 is: 4,306,617.86
Step by Step Solution
- Step 1: Write the proportion equation
5,296,589.52 : 7,308,699.84 = 3,120,991.08 : x - Step 2: Convert to fraction form
5,296,589.52/7,308,699.84 = 3,120,991.08/x - Step 3: Cross multiply
5,296,589.52x = 7,308,699.84 × 3,120,991.08 - Step 4: Simplify right side
5,296,589.52x = 22,810,387,007,037.43 - Step 5: Solve for x
x = 22,810,387,007,037.43/5,296,589.52 - Step 6: Final answer
x = 4,306,617.86
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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.