Finding the Fourth Proportional to 3,876,067.99, 5,348,973.84 and 2,157,594.47
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Solution
The fourth proportional to 3,876,067.99, 5,348,973.84 and 2,157,594.47 is: 2,977,480.38
Step by Step Solution
- Step 1: Write the proportion equation
3,876,067.99 : 5,348,973.84 = 2,157,594.47 : x - Step 2: Convert to fraction form
3,876,067.99/5,348,973.84 = 2,157,594.47/x - Step 3: Cross multiply
3,876,067.99x = 5,348,973.84 × 2,157,594.47 - Step 4: Simplify right side
3,876,067.99x = 11,540,916,377,358.67 - Step 5: Solve for x
x = 11,540,916,377,358.67/3,876,067.99 - Step 6: Final answer
x = 2,977,480.38
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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.