Finding the Fourth Proportional to 3,408,139.12, 4,703,067.84 and 1,859,308.60
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Solution
The fourth proportional to 3,408,139.12, 4,703,067.84 and 1,859,308.60 is: 2,565,756.32
Step by Step Solution
- Step 1: Write the proportion equation
3,408,139.12 : 4,703,067.84 = 1,859,308.60 : x - Step 2: Convert to fraction form
3,408,139.12/4,703,067.84 = 1,859,308.60/x - Step 3: Cross multiply
3,408,139.12x = 4,703,067.84 × 1,859,308.60 - Step 4: Simplify right side
3,408,139.12x = 8,744,454,481,295.42 - Step 5: Solve for x
x = 8,744,454,481,295.42/3,408,139.12 - Step 6: Final answer
x = 2,565,756.32
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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.