Finding the Fourth Proportional to 3,568,336.96, 4,920,582.76 and 2,117,752.14
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Solution
The fourth proportional to 3,568,336.96, 4,920,582.76 and 2,117,752.14 is: 2,920,288.86
Step by Step Solution
- Step 1: Write the proportion equation
3,568,336.96 : 4,920,582.76 = 2,117,752.14 : x - Step 2: Convert to fraction form
3,568,336.96/4,920,582.76 = 2,117,752.14/x - Step 3: Cross multiply
3,568,336.96x = 4,920,582.76 × 2,117,752.14 - Step 4: Simplify right side
3,568,336.96x = 10,420,574,670,037.11 - Step 5: Solve for x
x = 10,420,574,670,037.11/3,568,336.96 - Step 6: Final answer
x = 2,920,288.86
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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.