Finding the Fourth Proportional to 3,067,315.38, 4,232,912.04 and 1,778,919.66
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Solution
The fourth proportional to 3,067,315.38, 4,232,912.04 and 1,778,919.66 is: 2,454,918.88
Step by Step Solution
- Step 1: Write the proportion equation
3,067,315.38 : 4,232,912.04 = 1,778,919.66 : x - Step 2: Convert to fraction form
3,067,315.38/4,232,912.04 = 1,778,919.66/x - Step 3: Cross multiply
3,067,315.38x = 4,232,912.04 × 1,778,919.66 - Step 4: Simplify right side
3,067,315.38x = 7,530,010,447,006.71 - Step 5: Solve for x
x = 7,530,010,447,006.71/3,067,315.38 - Step 6: Final answer
x = 2,454,918.88
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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.