Finding the Fourth Proportional to 2,847,994.95, 3,930,793.26 and 2,158,464.09
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Solution
The fourth proportional to 2,847,994.95, 3,930,793.26 and 2,158,464.09 is: 2,979,105.04
Step by Step Solution
- Step 1: Write the proportion equation
2,847,994.95 : 3,930,793.26 = 2,158,464.09 : x - Step 2: Convert to fraction form
2,847,994.95/3,930,793.26 = 2,158,464.09/x - Step 3: Cross multiply
2,847,994.95x = 3,930,793.26 × 2,158,464.09 - Step 4: Simplify right side
2,847,994.95x = 8,484,476,103,353.73 - Step 5: Solve for x
x = 8,484,476,103,353.73/2,847,994.95 - Step 6: Final answer
x = 2,979,105.04
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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.