Finding the Fourth Proportional to 3,454,448.66, 5,186,163.16 and 2,656,290.70
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Solution
The fourth proportional to 3,454,448.66, 5,186,163.16 and 2,656,290.70 is: 3,987,888.76
Step by Step Solution
- Step 1: Write the proportion equation
3,454,448.66 : 5,186,163.16 = 2,656,290.70 : x - Step 2: Convert to fraction form
3,454,448.66/5,186,163.16 = 2,656,290.70/x - Step 3: Cross multiply
3,454,448.66x = 5,186,163.16 × 2,656,290.70 - Step 4: Simplify right side
3,454,448.66x = 13,775,956,970,590.61 - Step 5: Solve for x
x = 13,775,956,970,590.61/3,454,448.66 - Step 6: Final answer
x = 3,987,888.76
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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.