Finding the Fourth Proportional to 5,028,960, 6,939,964.80 and 2,737,137.10
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Solution
The fourth proportional to 5,028,960, 6,939,964.80 and 2,737,137.10 is: 3,777,249.20
Step by Step Solution
- Step 1: Write the proportion equation
5,028,960 : 6,939,964.80 = 2,737,137.10 : x - Step 2: Convert to fraction form
5,028,960/6,939,964.80 = 2,737,137.10/x - Step 3: Cross multiply
5,028,960x = 6,939,964.80 × 2,737,137.10 - Step 4: Simplify right side
5,028,960x = 18,995,635,126,774.08 - Step 5: Solve for x
x = 18,995,635,126,774.08/5,028,960 - Step 6: Final answer
x = 3,777,249.20
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1.5x scale
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.