Finding the Fourth Proportional to 6,939,608.99, 10,406,827.96 and 2,389,385.39
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Solution
The fourth proportional to 6,939,608.99, 10,406,827.96 and 2,389,385.39 is: 3,583,187.85
Step by Step Solution
- Step 1: Write the proportion equation
6,939,608.99 : 10,406,827.96 = 2,389,385.39 : x - Step 2: Convert to fraction form
6,939,608.99/10,406,827.96 = 2,389,385.39/x - Step 3: Cross multiply
6,939,608.99x = 10,406,827.96 × 2,389,385.39 - Step 4: Simplify right side
6,939,608.99x = 24,865,922,625,859.90 - Step 5: Solve for x
x = 24,865,922,625,859.90/6,939,608.99 - Step 6: Final answer
x = 3,583,187.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.