Finding the Fourth Proportional to 3,480,759.74, 5,221,418.69 and 1,322,818.65
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Solution
The fourth proportional to 3,480,759.74, 5,221,418.69 and 1,322,818.65 is: 1,984,334.04
Step by Step Solution
- Step 1: Write the proportion equation
3,480,759.74 : 5,221,418.69 = 1,322,818.65 : x - Step 2: Convert to fraction form
3,480,759.74/5,221,418.69 = 1,322,818.65/x - Step 3: Cross multiply
3,480,759.74x = 5,221,418.69 × 1,322,818.65 - Step 4: Simplify right side
3,480,759.74x = 6,906,990,025,897.61 - Step 5: Solve for x
x = 6,906,990,025,897.61/3,480,759.74 - Step 6: Final answer
x = 1,984,334.04
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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.