Finding the Fourth Proportional to 3,418,590.87, 4,719,107.99 and 2,130,067.87
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Solution
The fourth proportional to 3,418,590.87, 4,719,107.99 and 2,130,067.87 is: 2,940,398.75
Step by Step Solution
- Step 1: Write the proportion equation
3,418,590.87 : 4,719,107.99 = 2,130,067.87 : x - Step 2: Convert to fraction form
3,418,590.87/4,719,107.99 = 2,130,067.87/x - Step 3: Cross multiply
3,418,590.87x = 4,719,107.99 × 2,130,067.87 - Step 4: Simplify right side
3,418,590.87x = 10,052,020,304,559.28 - Step 5: Solve for x
x = 10,052,020,304,559.28/3,418,590.87 - Step 6: Final answer
x = 2,940,398.75
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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.