Finding the Fourth Proportional to 6,406,296.18, 8,840,687.84 and 3,505,686.28
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Solution
The fourth proportional to 6,406,296.18, 8,840,687.84 and 3,505,686.28 is: 4,837,846.58
Step by Step Solution
- Step 1: Write the proportion equation
6,406,296.18 : 8,840,687.84 = 3,505,686.28 : x - Step 2: Convert to fraction form
6,406,296.18/8,840,687.84 = 3,505,686.28/x - Step 3: Cross multiply
6,406,296.18x = 8,840,687.84 × 3,505,686.28 - Step 4: Simplify right side
6,406,296.18x = 30,992,678,048,922.41 - Step 5: Solve for x
x = 30,992,678,048,922.41/6,406,296.18 - Step 6: Final answer
x = 4,837,846.58
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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.