Finding the Fourth Proportional to 6,406,158.99, 8,840,498.58 and 3,505,550.21
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Solution
The fourth proportional to 6,406,158.99, 8,840,498.58 and 3,505,550.21 is: 4,837,658.83
Step by Step Solution
- Step 1: Write the proportion equation
6,406,158.99 : 8,840,498.58 = 3,505,550.21 : x - Step 2: Convert to fraction form
6,406,158.99/8,840,498.58 = 3,505,550.21/x - Step 3: Cross multiply
6,406,158.99x = 8,840,498.58 × 3,505,550.21 - Step 4: Simplify right side
6,406,158.99x = 30,990,811,609,421.21 - Step 5: Solve for x
x = 30,990,811,609,421.21/6,406,158.99 - Step 6: Final answer
x = 4,837,658.83
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1.5x scale
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.