Finding the Fourth Proportional to 3,180,218.79, 4,770,860.23 and 2,497,078.13
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Solution
The fourth proportional to 3,180,218.79, 4,770,860.23 and 2,497,078.13 is: 3,746,034.95
Step by Step Solution
- Step 1: Write the proportion equation
3,180,218.79 : 4,770,860.23 = 2,497,078.13 : x - Step 2: Convert to fraction form
3,180,218.79/4,770,860.23 = 2,497,078.13/x - Step 3: Cross multiply
3,180,218.79x = 4,770,860.23 × 2,497,078.13 - Step 4: Simplify right side
3,180,218.79x = 11,913,210,727,909.85 - Step 5: Solve for x
x = 11,913,210,727,909.85/3,180,218.79 - Step 6: Final answer
x = 3,746,034.95
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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.