Finding the Fourth Proportional to 2,168,067.24, 2,991,956.82 and 1,201,212.75
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Solution
The fourth proportional to 2,168,067.24, 2,991,956.82 and 1,201,212.75 is: 1,657,686.91
Step by Step Solution
- Step 1: Write the proportion equation
2,168,067.24 : 2,991,956.82 = 1,201,212.75 : x - Step 2: Convert to fraction form
2,168,067.24/2,991,956.82 = 1,201,212.75/x - Step 3: Cross multiply
2,168,067.24x = 2,991,956.82 × 1,201,212.75 - Step 4: Simplify right side
2,168,067.24x = 3,593,976,679,633.45 - Step 5: Solve for x
x = 3,593,976,679,633.45/2,168,067.24 - Step 6: Final answer
x = 1,657,686.91
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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.