Finding the Fourth Proportional to 4,677,855.80, 7,011,534.90 and 2,657,067.80
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Solution
The fourth proportional to 4,677,855.80, 7,011,534.90 and 2,657,067.80 is: 3,982,620.33
Step by Step Solution
- Step 1: Write the proportion equation
4,677,855.80 : 7,011,534.90 = 2,657,067.80 : x - Step 2: Convert to fraction form
4,677,855.80/7,011,534.90 = 2,657,067.80/x - Step 3: Cross multiply
4,677,855.80x = 7,011,534.90 × 2,657,067.80 - Step 4: Simplify right side
4,677,855.80x = 18,630,123,611,366.22 - Step 5: Solve for x
x = 18,630,123,611,366.22/4,677,855.80 - Step 6: Final answer
x = 3,982,620.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.