Finding the Fourth Proportional to 5,199,873.97, 7,175,820.65 and 2,908,034.66
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Solution
The fourth proportional to 5,199,873.97, 7,175,820.65 and 2,908,034.66 is: 4,013,084.79
Step by Step Solution
- Step 1: Write the proportion equation
5,199,873.97 : 7,175,820.65 = 2,908,034.66 : x - Step 2: Convert to fraction form
5,199,873.97/7,175,820.65 = 2,908,034.66/x - Step 3: Cross multiply
5,199,873.97x = 7,175,820.65 × 2,908,034.66 - Step 4: Simplify right side
5,199,873.97x = 20,867,535,171,413.82 - Step 5: Solve for x
x = 20,867,535,171,413.82/5,199,873.97 - Step 6: Final answer
x = 4,013,084.79
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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.