Finding the Fourth Proportional to 6,406,239.77, 8,840,240.84 and 3,505,687.28
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Solution
The fourth proportional to 6,406,239.77, 8,840,240.84 and 3,505,687.28 is: 4,837,645.95
Step by Step Solution
- Step 1: Write the proportion equation
6,406,239.77 : 8,840,240.84 = 3,505,687.28 : x - Step 2: Convert to fraction form
6,406,239.77/8,840,240.84 = 3,505,687.28/x - Step 3: Cross multiply
6,406,239.77x = 8,840,240.84 × 3,505,687.28 - Step 4: Simplify right side
6,406,239.77x = 30,991,119,864,924.51 - Step 5: Solve for x
x = 30,991,119,864,924.51/6,406,239.77 - Step 6: Final answer
x = 4,837,645.95
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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.