Finding the Fourth Proportional to 2,020,859, 2,788,785.68 and 1,115,441.24
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Solution
The fourth proportional to 2,020,859, 2,788,785.68 and 1,115,441.24 is: 1,539,309.05
Step by Step Solution
- Step 1: Write the proportion equation
2,020,859 : 2,788,785.68 = 1,115,441.24 : x - Step 2: Convert to fraction form
2,020,859/2,788,785.68 = 1,115,441.24/x - Step 3: Cross multiply
2,020,859x = 2,788,785.68 × 1,115,441.24 - Step 4: Simplify right side
2,020,859x = 3,110,726,556,993.44 - Step 5: Solve for x
x = 3,110,726,556,993.44/2,020,859 - Step 6: Final answer
x = 1,539,309.05
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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.