Finding the Fourth Proportional to 6,406,157.99, 8,840,497.20 and 3,505,549.21
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Solution
The fourth proportional to 6,406,157.99, 8,840,497.20 and 3,505,549.21 is: 4,837,657.46
Step by Step Solution
- Step 1: Write the proportion equation
6,406,157.99 : 8,840,497.20 = 3,505,549.21 : x - Step 2: Convert to fraction form
6,406,157.99/8,840,497.20 = 3,505,549.21/x - Step 3: Cross multiply
6,406,157.99x = 8,840,497.20 × 3,505,549.21 - Step 4: Simplify right side
6,406,157.99x = 30,990,797,975,467.21 - Step 5: Solve for x
x = 30,990,797,975,467.21/6,406,157.99 - Step 6: Final answer
x = 4,837,657.46
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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.