Finding the Fourth Proportional to 2,878,067.62, 3,971,738.37 and 1,588,910.10
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Solution
The fourth proportional to 2,878,067.62, 3,971,738.37 and 1,588,910.10 is: 2,192,698.73
Step by Step Solution
- Step 1: Write the proportion equation
2,878,067.62 : 3,971,738.37 = 1,588,910.10 : x - Step 2: Convert to fraction form
2,878,067.62/3,971,738.37 = 1,588,910.10/x - Step 3: Cross multiply
2,878,067.62x = 3,971,738.37 × 1,588,910.10 - Step 4: Simplify right side
2,878,067.62x = 6,310,735,210,650.54 - Step 5: Solve for x
x = 6,310,735,210,650.54/2,878,067.62 - Step 6: Final answer
x = 2,192,698.73
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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.